Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the…
Priority HIGH 72CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the password parameter in the sub_426EF8 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00413 35th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-63466
- 2026-10-03 Alias added: GHSA-g78v-rm2r-hxw5
References
More TOTOLINK Lr350 Firmware vulnerabilities
- TI-2024-28696 Incorrect access control in TOTOLINK LR350 V9.3.5u.6369_B20220309 allows attackers to… CVSS 3.1CRITICAL 9.8
- TI-2024-23410 TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the… CVSS 3.1CRITICAL 9.8
- TI-2023-18806 TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
- TI-2023-18805 TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
- TI-2023-18804 TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
- TI-2023-18803 TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-63466 · CVE Program
- CVE-2025-63466 · NVD
- FIRST EPSS
- GHSA-g78v-rm2r-hxw5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences