Critical severity · published Aug 4, 2025
CVE-2025-51390
TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a command injection vulnerability via the pin parameter in the setWiFiWpsConfig function
9.8
CVSS
1.8%
EPSS
No
On KEV
Description
TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a command injection vulnerability via the pin parameter in the setWiFiWpsConfig function.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
N600r Firmware · Totolink
4.3.0cu.7647_b20210106 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-51390
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-51390
Exploit
https://github.com/Luanruy/qianxin/blob/main/CVE-2025-51390.md
Exploit
https://github.com/Luanruy/qianxin/blob/main/overflow-0x41ca08.md
More from N600r Firmware
10.0
CVE-2026-79911
TOTOLINK N600R CGI cstecgi.cgi setSystemConfig stack-based overflow
9.8
CVE-2025-9935
A vulnerability was determined in TOTOLINK N600R 4.3.0cu.7866_B20220506
9.8
CVE-2025-46060
Buffer Overflow vulnerability in TOTOLINK N600R v4.3.0cu.7866_B2022506 allows a remote attacker to execute arbitrary code via the UPLOAD_FILENAME component
9.8
CVE-2025-4496
A vulnerability was found in TOTOLINK T10, A3100R, A950RG, A800R, N600R, A3000RU and A810R 4.1.8cu.5241_B20210927
9.8
CVE-2025-22900
Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the macCloneMac parameter in the setWanConfig function