CVE-2026-31027

CWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
9.8CRITICAL
EPSS
0.8%
top 26.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Totolink A3600r Firmware
Timeline
PublishedApr 1

Description

TOTOlink A3600R v5.9c.4959 contains a buffer overflow vulnerability in the setAppEasyWizardConfig interface of /lib/cste_modules/app.so. The vulnerability occurs because the rootSsid parameter is not properly validated for length, allowing remote attackers to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

🔴Vulnerability Details

2
CVEList
CVE-2026-31027: TOTOlink A3600R v5↗2026-04-01
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GHSA
GHSA-v5j6-9mr9-qwhr: TOTOlink A3600R v5↗2026-04-01
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CVE-2026-31027 (CRITICAL CVSS 9.8) | TOTOlink A3600R v5.9c.4959 contains | cvebase.io