CVE-2025-12258 — Improper Restriction of Operations within the Bounds of a Memory Buffer in A3300r

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-121 — Stack-based Buffer Overflow3 documents3 sources
Severity
8.7HIGHNVD
EPSS
0.4%
top 37.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Totolink A3300rTotolink A3300r Firmware
Timeline
PublishedOct 27

Description

A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. Impacted is the function setOpModeCfg of the file /cgi-bin/cstecgi.cg of the component POST Parameter Handler. The manipulation of the argument opmode results in stack-based buffer overflow. The attack may be performed from remote.

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Packages2 packages

▶CVEListV5totolink/a3300r17.0.0cu.557_B20221024
▶NVDtotolink/a3300r_firmware17.0.0cu.557_b20221024

🔴Vulnerability Details

2
CVEList
TOTOLINK A3300R POST Parameter cstecgi.cg setOpModeCfg stack-based overflow↗2025-10-27
▶
GHSA
GHSA-jxjv-q5pr-4jwv: A vulnerability was detected in TOTOLINK A3300R 17↗2025-10-27
▶