CVE-2026-26731

CWE-787 — Out-of-bounds WriteCWE-121 — Stack-based Buffer Overflow3 documents3 sources
Severity
8.8HIGH
EPSS
0.1%
top 83.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Totolink A3002ru Firmware
Timeline
PublishedFeb 17

Description

TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages1 packages

▶NVDtotolink/a3002ru_firmware2.1.1-b20211108.1455

🔴Vulnerability Details

2
GHSA
GHSA-qvhf-98cj-8779: TOTOLINK A3002RU V2↗2026-02-17
▶
CVEList
CVE-2026-26731: TOTOLINK A3002RU V2↗2026-02-17
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CVE-2026-26731 (HIGH CVSS 8.8) | TOTOLINK A3002RU V2.1.1-B20211108.1 | cvebase.io