CVE-2025-63469
Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the ssid...
Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the ssid parameter in the sub_421BAC function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the ssid parameter in the sub_421BAC function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- Record
CVE-2025-63469- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2025-37368
Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the ssid parameter in the sub_421BAC function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- Record
EUVD-2025-37368- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6mq9-274f-wm9p
Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the ssid...
Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the ssid parameter in the sub_421BAC function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- Record
GHSA-6mq9-274f-wm9p- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
NVD
Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the ssid parameter in the sub_421BAC function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- Record
CVE-2025-63469- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121
- Updated
- 2026-11-05
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | NVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-63469 is a high vulnerability (CVSS 7.5) in Totolink Lr350 Firmware, published October 31, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.