Cyber Resilience

CVE-2022-25061

CriticalPublic PoCRCE

Published: 25 February 2022

Published
25 February 2022
Modified
21 November 2024
KEV Added
Patch
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 0.8603 99.4th percentile
Risk Priority 71 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-25061 is a critical-severity OS Command Injection (CWE-78) vulnerability in Tp-Link Tl-Wr840N Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 0.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

CVE-2022-25061 is a command injection vulnerability, tracked under CWE-78, that affects the TP-LINK TL-WR840N(ES)_V6.20_180709 router firmware. The flaw resides in the oal_setIp6DefaultRoute component and carries a CVSS 3.1 score of 9.8, reflecting network-accessible exploitation without authentication or user interaction.

An unauthenticated attacker with network access can supply crafted input to the affected component, resulting in arbitrary command execution on the device. Successful exploitation grants the attacker full control over confidentiality, integrity, and availability of the router.

The current and peak EPSS scores both stand at 0.8603, indicating sustained high exploitation probability since disclosure. No vendor advisories or patch details are provided in the available references.

EU & UK References

Vulnerability details

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_setIp6DefaultRoute.

CWE(s)

Related Threats

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

Affected Assets

tp-link
tl-wr840n firmware
6.20_180709

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-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References