High severity · published May 22, 2023
CVE-2023-31742
There is a command injection vulnerability in the Linksys WRT54GL router with firmware version 4.30.18.006
7.2
CVSS
9.1%
EPSS
No
On KEV
Description
There is a command injection vulnerability in the Linksys WRT54GL router with firmware version 4.30.18.006. If an attacker gains web management privileges, they can inject commands into the post request parameters wl_ant, wl_rate, WL_atten_ctl, ttcp_num, ttcp_size in the httpd s Start_EPI() function, thereby gaining shell privileges.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.1% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wrt54gl Firmware · Linksys
4.30.18.006 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-31742
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-31742
Exploit
https://github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31742/Linksys_WRT54GL_RCE.pdf
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