High severity · published Jun 16, 2025
CVE-2025-6143
TOTOLINK EX1200T HTTP POST Request formNtp buffer overflow
8.8
CVSS
1%
EPSS
No
On KEV
Description
A vulnerability, which was classified as critical, was found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. Affected is an unknown function of the file /boafrm/formNtp of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EX
EX1200T · TOTOLINK
4.1.2cu.5232_B20210713 · source: vendor
EF
Ex1200t Firmware · Totolink
4.1.2cu.5232_b20210713 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6143
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6143
Exploit
https://github.com/awindog/cve/blob/main/13.md
Permissions Required
https://vuldb.com/?ctiid.312618
Third Party Advisory
https://vuldb.com/?id.312618
Third Party Advisory
https://vuldb.com/?submit.593004
Product
https://www.totolink.net/
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