Cyber Resilience

CVE-2022-26988

HighPublic PoC

Published: 10 May 2022

Published
10 May 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0054 67.9th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-26988 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Tp-Link Tl-Wdr7660 Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 32.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

TP-Link TL-WDR7660 2.0.30, Mercury D196G 20200109_2.0.4, and Fast FAC1900R 20190827_2.0.2 routers have a stack overflow issue in `MntAte` function. Local users could get remote code execution.

CWE(s)

Related Threats

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

Affected Assets

tp-link
tl-wdr7660 firmware
2.0.30
tp-link
tl-wdr7661 firmware
all versions
tp-link
tl-wdr7620 firmware
all versions
tp-link
tl-wdr5660 firmware
all versions
mercusys
mercury d196g firmware
20200109_2.0.4
fastcom
fac1900r firmware
20190827_2.0.2

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.

addresses: CWE-787

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

References