CVE-2025-4271: medium-severity vulnerability in TOTOLINK A720R
TOTOLINK A720R cstecgi.cgi information disclosure
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.7%
A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument topicurl with the input showSyslog leads to information disclosure. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
TOTOLINK · A720RRelated CVEs — TOTOLINK A720R
In the same product, most dangerous first.
CVE-2025-4270MEDIUMTOTOLINK A720R Config cstecgi.cgi information disclosureEPSS 14.0%CVE-2024-8869LOWTOTOLINK A720R exportOvpn os command injectionEPSS 1.7%CVE-2025-4268MEDIUMTOTOLINK A720R cstecgi.cgi missing authenticationEPSS 1.1%CVE-2025-9303HIGHTOTOLINK A720R cstecgi.cgi setParentalRules buffer overflowEPSS 0.9%CVE-2026-82539CRITICALTOTOLINK A720R MAC Filtering cstecgi.cgi setMacFilterRules memory corruptionEPSS 0.8%CVE-2025-4269MEDIUMTOTOLINK A720R Log cstecgi.cgi access controlEPSS 0.6%