CVE-2026-1686

HIGH

Totolink A3600r Firmware - Memory Corruption

Title source: rule
STIX 2.1

Description

A security flaw has been discovered in Totolink A3600R 5.9c.4959. This issue affects the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. Performing a manipulation of the argument apcliSsid results in buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

Scores

CVSS v3 8.8
EPSS 0.0017
EPSS Percentile 38.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (1)
totolink/a3600r_firmware 5.9c.4959
Published Jan 30, 2026
Tracked Since Feb 18, 2026