CVE-2026-1155

HIGH
2026-01-19 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 29, 2026 - 18:39 vuln.today
Public exploit code
CVE Published
Jan 19, 2026 - 13:16 nvd
HIGH 8.8

Tags

Buffer Overflow Lr350 Firmware

Description

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

Analysis

Buffer overflow in Totolink LR350 firmware allows authenticated remote attackers to achieve complete system compromise through a malformed SSID parameter in the WiFi guest configuration function. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: +20

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CVE-2026-1155 vulnerability details – vuln.today
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