CVE-2024-7157: high-severity vulnerability in TOTOLINK A3100R
TOTOLINK A3100R getSaveConfig buffer overflow
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 7.4%
A vulnerability was found in TOTOLINK A3100R 4.1.2cu.5050_B20200504. It has been classified as critical. This affects the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272571. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
TOTOLINK · A3100RRelated CVEs — TOTOLINK A3100R
In the same product, most dangerous first.
CVE-2024-7158MEDIUMTOTOLINK A3100R HTTP POST Request cstecgi.cgi setTelnetCfg command injectionEPSS 3.1%CVE-2025-4496HIGHTOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflowEPSS 1.2%CVE-2026-15271HIGHTOTOLINK EX200 Web boa.conf least privilege violationEPSS 0.7%