CVE-2025-3675

6.9 mediumEPSS 0.6%

Medium (6.9) in totolink a3700r firmware. EPSS 0.6% chance of exploitation in the next 30 days.

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been rated as critical. Affected by this issue is the function setL2tpServerCfg 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.

Severity

CVSS 4.0

6.9 medium

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

CVSS 3.1

5.3 medium

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWEs: CWE-266, CWE-284
Published: 2025-04-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

totolink:a3700r_firmware

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setL2tpServerCfg-1cb53a41781f80319d38dc5a8e9174ae?pvs=4
https://vuldb.com/?ctiid.304964
https://vuldb.com/?id.304964
https://vuldb.com/?submit.551304
https://www.totolink.net/

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