CVE-2025-3667 — Incorrect Privilege Assignment in A3700r

CWE-266 — Incorrect Privilege AssignmentCWE-284 — Improper Access Control4 documents4 sources
Severity
6.9MEDIUMNVD
EPSS
0.6%
top 30.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Totolink A3700rTotolink A3700r Firmware
Timeline
PublishedApr 16

Description

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been classified as critical. This affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. It is possible to initiate the attack 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 vector

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 Packages2 packages

▶CVEListV5totolink/a3700r9.1.2u.5822_B20200513
▶NVDtotolink/a3700r_firmware9.1.2u.5822_b20200513

🔴Vulnerability Details

2
GHSA
GHSA-jvjw-3ff6-jfjh: A vulnerability was found in TOTOLINK A3700R 9↗2025-04-16
▶
CVEList
TOTOLINK A3700R cstecgi.cgi setUPnPCfg access control↗2025-04-16
▶

🔍Detection Rules

1
Suricata
ET WEB_SPECIFIC_APPS Totolink A3700R Multiple Authentication Bypass cstecgecgi.cgi Endpoints (CVE-2025-3663 - CVE-2025-3668)↗2025-04-16
▶
CVE-2025-3667 — Incorrect Privilege Assignment | cvebase