CVE-2023-34141
📛 CVE Title
CVE-2023-34141
Description
A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series firmware versions 5.00 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the managed AP list in advance.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- Zyxel
- CVSS severity
- HIGH
- CVSS score
- 8.0 / 10
- CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Effective score
- 8.0 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-78 - Reserved
- 2023-05-26
- Published
- 2023-07-17 19:56 UTC
- Last updated
- 2024-10-29 17:06 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/34xxx/CVE-2023-34141.json
- Linked Threat
- CVE-2023-34141 — CVE-2023-34141
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2023-07-17 18:15:09 UTC
- NVD last modified
- 2026-06-17 06:02:59 UTC
- NVD CVSS v3.1
- 8.0 / 10 HIGH source: security@zyxel.com.tw
- NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Exploitability subscore
- 2.1 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0063 (probability of exploitation in next 30 days)
- EPSS percentile
- 45.66% vs all CVEs — higher = more likely to be exploited, as of 2026-07-01
NVD / KEV / EPSS data refreshed 2026-07-01 19:27 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2023-38243 - Assigner
- Zyxel
- Published
- Jul 17, 2023, 5:56:26 PM
- Updated
- Oct 29, 2024, 4:06:41 PM
- EUVD base score (CVSS 3.1)
-
8.0 / 10
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EUVD-reported EPSS
- 0.1300
- Vendors
- Zyxel
- Products
-
USG20(W)-VPN series firmware (5.00 through 5.36 Patch 2)VPN series Firmware (5.00 through 5.36 Patch 2)NXC2500 firmware (6.10(AAIG.0) through 6.10(AAIG.3))NXC5500 firmware (6.10(AAOS.0) through 6.10(AAOS.4))ATP series firmware (5.00 through 5.36 Patch 2)USG FLEX 50(W) series firmware (5.00 through 5.36 Patch 2)USG FLEX series firmware (5.00 through 5.36 Patch 2)VPN series Firmware (5.00 through 5.36 Patch 2)
- Aliases
-
GHSA-2hgc-m6qj-p4p4
ENISA description: A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series firmware versions 5.00 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the managed AP list in advance.
Affected products (7)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Zyxel | ATP series firmware |
5.00 through 5.36 Patch 2 (affected)
|
— |
| Zyxel | USG FLEX series firmware |
5.00 through 5.36 Patch 2 (affected)
|
— |
| Zyxel | USG FLEX 50(W) series firmware |
5.00 through 5.36 Patch 2 (affected)
|
— |
| Zyxel | USG20(W)-VPN series firmware |
5.00 through 5.36 Patch 2 (affected)
|
— |
| Zyxel | VPN series firmware |
5.00 through 5.36 Patch 2 (affected)
|
— |
| Zyxel | NXC2500 firmware |
6.10(AAIG.0) through 6.10(AAIG.3) (affected)
|
— |
| Zyxel | NXC5500 firmware |
6.10(AAOS.0) through 6.10(AAOS.4) (affected)
|
— |
Affected products — CPE 2.3 (48) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
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Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (2)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers security@zyxel.com.tw Vendor Advisory
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers af854a3a-2127-422b-91ae-364da2661108 Vendor Advisory
Remediations (16)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:nvd.nist.gov
The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...
2026-06-15 21:11 UTC -
web:www.hipaajournal.com
CISA's solution is to patch smarter, not harder. CISA has released a new risk-based vulnerability remediation framework to help vendors assess vulnerabilities and prioritize patching effectively, concentrating their efforts on mitigating vulnerabilities in the most at-risk assets and addressing vulnerabilities that carry the greatest risk of ...
2026-06-15 21:11 UTC -
web:www.microsoft.com
Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.
2026-06-15 21:11 UTC -
web:github.com
CVEfixes: Automated Collection of Vulnerabilities and Their Fixes from Open-Source Software - secureIT-project/CVEfixes
2026-06-15 21:11 UTC -
web:www.securityweek.com
CISA's new BOD 26-04 requires federal agencies to prioritize the remediation of vulnerabilities in the KEV catalog, based on risk.
2026-06-15 21:11 UTC -
web:helpx.adobe.com
This page contains important information regarding security vulnerabilities that could affect specific versions of Adobe products. Use this information to take the prescribed corrective actions.
2026-06-15 21:11 UTC -
web:www.cve.org
At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures
2026-05-22 06:39 UTC -
web:www.forbes.com
Mitigation Measures To Take If Patching Isn't Possible Assuming a patch can't be promptly applied, what can be done to mitigate risk? There are several important measures to keep in mind:
2026-05-22 06:39 UTC -
web:www.oracle.com
Critical Security Patch Updates Critical Security Patch Updates provide security patches for supported Oracle on-premises products. A Critical Security Patch Update provides targeted, high-priority security fixes in a smaller, more focused format, making them easier to apply with minimal disruption.
2026-05-22 06:39 UTC -
web:access.redhat.com
Learn about our open source products, services, and company. You are here
2026-05-22 06:39 UTC -
web:www.tenable.com
Apply risk-based patch management to mitigate threats Close the gap between discovery and remediation . Get vast vulnerability coverage with 250k+ patches to automate prioritization and accelerate SLAs to reduce your exposure in clicks.
2026-05-22 06:39 UTC -
web:cybersecuritynews.com
Google released a critical Chrome update fixing multiple high-risk vulnerabilities that could enable arbitrary code execution.
2026-05-22 06:39 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-22 06:39 UTC -
web:source.android.com
This Section contains the available Android Security Bulletins, which provide fixes for possible issues affecting Android devices.
2026-05-22 06:39 UTC -
web:superops.com
Master vulnerability patching to secure your systems. Explore the process, key challenges, and best practices to prevent data breaches and attacks.
2026-05-22 06:39 UTC -
web:www.cisa.gov
If vulnerabilities cannot be remediated within the recommended timeframes, develop a remediation plan for action and coordination across the organization. The remediation plan should include: Vulnerability remediation constraints Interim mitigation actions to overcome constraints Final actions required to remediate vulnerability
2026-05-22 06:39 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2023-34141.json.
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