Cyber Resilience

CVE-2023-38937

CriticalPublic PoC

Published: 07 August 2023

Published
07 August 2023
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0017 38.1th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-38937 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Tenda Ac10 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 38.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28, AC9 V3.0 V15.03.06.42_multi and AC10 v4.0 V16.03.10.13 were discovered to contain a stack overflow via the list parameter in the formSetVirtualSer function.

CWE(s)
CWE-787

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

tenda
ac10 firmware
15.03.06.23, 16.03.10.13
tenda
ac1206 firmware
15.03.06.23
tenda
ac8 firmware
16.03.34.06
tenda
ac6 firmware
15.03.06.23
tenda
ac7 firmware
15.03.06.44
tenda
ac5 firmware
15.03.06.28
tenda
ac9 firmware
15.03.06.42_multi

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References