CVE•Published 2023-05-22•Modified 2026-07-09•1 article on news•6 live references•NVD data
CVE-2023-31742Linksys · Wrt54gl_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
7.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
95
Exploit Prediction Scoring System · top 5% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2023-05-22
Modified 2026-07-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-31742Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Wrt54gl Firmware"Hosts Shodan identified as running Wrt54gl Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2023-31742Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-31742Censys host search filtered to this CVE id.
grep.app
CVE-2023-31742Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-31742GitHub code search for direct mentions.
Google dork
"CVE-2023-31742" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.