How severe is CVE-2023-34942?

CVE-2023-34942 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-34942 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34942?

CVE-2023-34942 affects Asus Rt-n10lx Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34942?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-34942 published?

CVE-2023-34942 was published on 2023-06-12 and last updated on 2026-06-17.

CVE-2023-34942

CVE-2023-34942 is a high-severity vulnerability in Asus Rt-n10lx Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Asus Rt-n10lx Firmware
Published: 2023-06-12
Last modified: 2026-06-17

Description

Asus RT-N10LX Router v2.0.0.39 was discovered to contain a stack overflow via the mac parameter at /start-apply.html. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2023-34942?: Asus RT-N10LX Router v2.0.0.39 was discovered to contain a stack overflow via the mac parameter at /start-apply.html. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2023-34942?: CVE-2023-34942 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-34942 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34942?: CVE-2023-34942 affects Asus Rt-n10lx Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34942?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-34942 published?: CVE-2023-34942 was published on 2023-06-12 and last updated on 2026-06-17.

References

https://github.com/OlivierLaflamme/cve/blob/main/ASUS-N10LX_2.0.0.39/MAC_Address_StackBOF.md

Affected products (1)

cpe:2.3:o:asus:rt-n10lx_firmware:2.0.0.39:*:*:*:*:*:*:*

More vulnerabilities in Asus Rt-n10lx Firmware

CVE-2023-34940 — High (CVSS 7.5): Asus RT-N10LX Router v2.0.0.39 was discovered to contain a stack overflow via the url parameter at /start-apply.html.…
CVE-2023-34941 — Medium (CVSS 5.4): A stored cross-site scripting (XSS) vulnerability in the urlFilterList function of Asus RT-N10LX Router v2.0.0.39…

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