CVE-2025-3674

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. Affected by this vulnerability is the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS v4.0

6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

0.56% chance of exploitation in the next 30 days, 44th percentile

Published

2025-04-16

Proof-of-concept exploits (1)

• https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setUrlFilterRules-1cb53a41781f80…

References

• CVE Record
• NVD entry

Related

• CVE-2025-3668
• CVE-2025-3675
• CVE-2025-3667
• CVE-2025-3676
• CVE-2025-3666
• CVE-2025-3678