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Vulnerability record · CVE-2025-14964 · published 19 December 2025

CVE-2025-14964: Totolink t10 firmware memory buffer overflow vulnerability

TTotolink · T10 Firmware

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.

9.3 CVSS 4.0 Critical EPSS 1.0% · top 38.2% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
9.3CVSS 4.0 base score, v2 10.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/JackWesleyy/CVE/blob/main/TOTOLINK_T10_BOC.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.337599 Permissions RequiredVDB Entry
https://vuldb.com/?id.337599 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.717720 Third Party AdvisoryVDB Entry
https://www.totolink.net/ Product

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-14964), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.