CVE-2022-43973
An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. The Check_TSSI function within the httpd binary uses unvalidated user input in the construction of a system command. An authenticated attacker with administrator privileges can leverage this vulnerability over the network via a malicious POST request to /apply.cgi to execute arbitrary commands on the underlying Linux operating system as root.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.85% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- linksys/wrt54gl firmware
- Source
- trellixpsirt@trellix.com
References
- https://youtu.be/73-1lhvJPNgExploit, Third Party Advisory
- https://youtu.be/RfWVYCUBNZ0Exploit, Third Party Advisory
- https://youtu.be/TeWAmZaKQ_wExploit, Third Party Advisory
- https://youtu.be/73-1lhvJPNgExploit, Third Party Advisory
- https://youtu.be/RfWVYCUBNZ0Exploit, Third Party Advisory
- https://youtu.be/TeWAmZaKQ_wExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.