High severity · published Jun 25, 2025
CVE-2025-6627
A vulnerability has been found in TOTOLINK A702R 4.0.0-B20230721.1521 and classified as critical
8.8
CVSS
5.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.7% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A702r Firmware · Totolink
4.0.0-b20230721.1521 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6627
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6627
Exploit
https://github.com/d2pq/cve/blob/main/616/24.md
Exploit
https://github.com/d2pq/cve/blob/main/616/24.md#poc
Permissions Required
https://vuldb.com/?ctiid.313852
Third Party Advisory
https://vuldb.com/?id.313852
Third Party Advisory
https://vuldb.com/?submit.602292
Product
https://www.totolink.net/
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