CVE-2025-3663: medium-severity vulnerability in TOTOLINK A3700R
TOTOLINK A3700R Password cstecgi.cgi setWiFiEasyGuestCfg access control
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
18Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 11%
A vulnerability, which was classified as critical, has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513. This issue affects the function setWiFiEasyCfg/setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component Password Handler. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. 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:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
TOTOLINK · A3700RRelated CVEs — TOTOLINK A3700R
In the same product, most dangerous first.
CVE-2024-7156MEDIUMTOTOLINK A3700R apmib Configuration ExportSettings.sh information disclosureEPSS 13.3%CVE-2024-7160MEDIUMTOTOLINK A3700R cstecgi.cgi setWanCfg command injectionEPSS 3.0%CVE-2025-3668MEDIUMTOTOLINK A3700R cstecgi.cgi setScheduleCfg access controlEPSS 1.4%CVE-2026-1143HIGHTOTOLINK A3700R cstecgi.cgi setWiFiEasyGuestCfg buffer overflowEPSS 0.8%CVE-2025-3667MEDIUMTOTOLINK A3700R cstecgi.cgi setUPnPCfg access controlEPSS 0.6%CVE-2025-3666MEDIUMTOTOLINK A3700R cstecgi.cgi setDdnsCfg access controlEPSS 0.6%