CVE-2025-5902 - TOTOLINK T10 POST Request cstecgi.cgi setUpgradeFW buffer overflow

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HIGH

TOTOLINK T10 POST Request cstecgi.cgi setUpgradeFW buffer overflow

Published Jun 9, 2025

8.7

HIGH

CVSS 4.0

EPSS 5.93%

Description

A vulnerability was found in TOTOLINK T10 4.1.8cu.5207 and classified as critical. This issue affects the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument slaveIpList leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

Vendor TOTOLINK Product n/a Default
n/a
- Version
  4.1.8cu.5207
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

TOTOLINK

n/a

Version	Status	Constraints
4.1.8cu.5207	affected	-

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-119

Buffer Overflow

CWE-120

Classic Buffer Overflow

References (6)

https://candle-throne-f75.notion.site/TOTOLINK-T10-setUpgradeFW-20bdf0aa11858089bc28f634bb140d00
exploitpatchThird Party Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-17589
Advisory
https://vuldb.com/?ctiid.311675
signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.311675
vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.592246
third-party-advisoryThird Party AdvisoryVDB Entry
https://www.totolink.net/
product

Link	Providers	Tags
https://candle-throne-f75.notion.site/TOTOLINK-T10-setUpgradeFW-20bdf0aa11858089bc28f634bb140d00		exploitpatchThird Party Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-17589		Advisory
https://vuldb.com/?ctiid.311675		signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.311675		vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.592246		third-party-advisoryThird Party AdvisoryVDB Entry
https://www.totolink.net/		product