Critical 9.8Published Dec 19, 2025

CVE-2025-14964TOTOLINK T10 cstecgi.cgi sprintf stack-based overflow

Updated under an hour ago (Oct 26, 2026, 11:30 AM ET)

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It affects TOTOLINK T10. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for TOTOLINK T10

Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
Weakness (CWE): CWE-121, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Feb 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TOTOLINK T10 totolink:t10_firmware	4.1.8cu.5083_B20200521	CNA record
totolink t10_firmware totolink:t10_firmware	4.1.8cu.5803_b20200521	NVD

References

https://vuldb.com/?id.337599vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.337599signature, permissions-required, vdb-entry
https://vuldb.com/?submit.717720third-party-advisory, vdb-entry
https://github.com/JackWesleyy/CVE/blob/main/TOTOLINK_T10_BOC.mdrelated, exploit, third-party-advisory
https://www.totolink.net/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.