Critical severity · published Dec 19, 2025
CVE-2025-14964
TOTOLINK T10 cstecgi.cgi sprintf stack-based overflow
9.8
CVSS
1%
EPSS
No
On KEV
Description
A vulnerability has been found in TOTOLINK T10 4.1.8cu.5083_B20200521. This affects the function sprintf of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument loginAuthUrl leads to stack-based buffer overflow. The attack may be performed from remote.
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)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
T1
T10 · TOTOLINK
4.1.8cu.5083_B20200521 · source: vendor
TF
T10 Firmware · Totolink
4.1.8cu.5803_b20200521 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-14964
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-14964
Exploit
https://github.com/JackWesleyy/CVE/blob/main/TOTOLINK_T10_BOC.md
Permissions Required
https://vuldb.com/?ctiid.337599
Third Party Advisory
https://vuldb.com/?id.337599
Third Party Advisory
https://vuldb.com/?submit.717720
Product
https://www.totolink.net/
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