High severity7.2NVD Advisory· Published May 22, 2023· Updated Jul 9, 2026
CVE-2023-31742
CVE-2023-31742
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.
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Affected products
3- cpe:2.3:o:linksys:wrt54gl_firmware:4.30.18.006:*:*:*:*:*:*:*
- Linksys/WRT54GL routerdescription
Patches
Vulnerability mechanics
References
1- github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31742/Linksys_WRT54GL_RCE.pdfnvdExploitMitigationThird Party Advisory
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