CVE-2022-25064
Published: 25 February 2022
Summary
CVE-2022-25064 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 1.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
TP-LINK TL-WR840N(ES)_V6.20_180709 firmware contains a remote code execution vulnerability in the oal_wan6_setIpAddr function. The flaw is an instance of OS command injection (CWE-78) that carries a CVSS 3.1 score of 9.8, reflecting network attackability without credentials or user interaction.
An unauthenticated attacker with network access can supply a crafted IPv6 address that results in arbitrary command execution on the device, granting full control over configuration, traffic, and connected clients.
The supplied references consist only of placeholder or vendor hostnames and do not contain mitigation guidance or patch details. The EPSS score has remained flat at 0.6310 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-29808
Vulnerability details
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal_wan6_setIpAddr.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.