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CVE-2025-3666

TOTOLINK A3700R cstecgi.cgi setDdnsCfg access control

CVSS 6.9 MEDIUMEPSS 0.5%CWE-266CWE-284
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6.9EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
16 Apr 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by this issue is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack may be launched 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 · A3700R

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References
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setDdnsCfg-1cb53a41781f8001b9c0f345a120e2e7?pvs=4https://vuldb.com/?ctiid.304844https://vuldb.com/?id.304844https://vuldb.com/?submit.551298https://www.totolink.net/