Skip to main content

Lr350 Firmware CVE-2026-1156

HIGH
Buffer Overflow (CWE-119)
2026-01-19 cna@vuldb.com
Buffer Overflow Lr350 Firmware
8.8
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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 - 18:40 vuln.today
Public exploit code
CVE Published
Jan 19, 2026 - 14:15 nvd
HIGH 8.8

DescriptionCVE.org

A vulnerability was determined in Totolink LR350 9.3.5u.6369_B20220309. Affected by this issue is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ssid causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

Unauthenticated remote attackers can exploit a buffer overflow in the WiFi configuration function of Totolink LR350 firmware version 9.3.5u.6369_B20220309 to achieve remote code execution with full system compromise. The vulnerability exists in the ssid parameter handler of /cgi-bin/cstecgi.cgi and requires only network access to trigger, with public exploit code already available. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts
Continue with Google Continue with GitHub

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to Totolik LR350 web interface
Delivery
Send crafted POST request to /cgi-bin/cstecgi.cgi
Exploit
Inject oversized SSID parameter
Execution
Trigger buffer overflow in setWiFiBasicCfg
Impact
Execute arbitrary code as root
Sign in to reveal

Vulnerability AssessmentAI

Exploitation Totolink LR350 firmware version 9.3.5u.6369_B20220309 with web management interface enabled. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A remote attacker could exploit this vulnerability to compromise the affected system.
Remediation Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.
Sign in to read full assessment

Recommended ActionAI

Within 7 days: Identify all affected systems and apply vendor patches promptly. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

Share

CVE-2026-1156 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy