Vulnerability details

CVE-2025-6627

Totolink A702R

TOTOLINK A702R HTTP POST Request formIpv6Setup buffer overflow

CVSS 4.0

8.7High

Official description

A vulnerability has been found in TOTOLINK A702R 4.0.0-B20230721.1521 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formIpv6Setup of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Totolink	A702R	4.0.0-B20230721.1521	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/?id.313852 vdb-entrytechnical-description
https://vuldb.com/?ctiid.313852 signaturepermissions-required
https://vuldb.com/?submit.602292 third-party-advisory
https://github.com/d2pq/cve/blob/main/616/24.md related
https://github.com/d2pq/cve/blob/main/616/24.md#poc exploit
https://www.totolink.net/ product

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Details

Published: 2025-06-25
Last updated: 2025-06-26
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

5.8%

Probability of exploitation in 30 days

93.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Partial

Weaknesses (CWE)

CWE-120
Buffer Overflow
CWE-119
Memory Corruption