CVE-2025-12239Improper Restriction of Operations within the Bounds of a Memory Buffer in A3300r

Severity
7.4HIGHNVD
EPSS
0.6%
top 30.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 27

Description

A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557_B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be exploited.

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
GHSA
GHSA-mqw5-rf2x-2m89: A weakness has been identified in TOTOLINK A3300R 172025-10-27
CVEList
TOTOLINK A3300R cstecgi.cgi setDdnsCfg buffer overflow2025-10-27
CVE-2025-12239 — Totolink A3300r vulnerability | cvebase