CVE-2025-22900
Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the...
Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the macCloneMac parameter in the setWanConfig function.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the macCloneMac parameter in the setWanConfig function.
- Record
CVE-2025-22900- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2025-11093
Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the macCloneMac parameter in the setWanConfig function.
- Record
EUVD-2025-11093- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7jww-p4g2-4fpv
Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the...
Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the macCloneMac parameter in the setWanConfig function.
- Record
GHSA-7jww-p4g2-4fpv- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
NVD
Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the macCloneMac parameter in the setWanConfig function.
- Record
CVE-2025-22900- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-22900 is a critical vulnerability (CVSS 9.8) in Totolink N600r Firmware, published April 15, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.