CVE-2025-6393

HIGH

TOTOLINK A702R/A3002R/A3002RU/EX1200T HTTP POST Request formIPv6Addr buffer overflow

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2025-6393 has a selected CVSS score of 8.7 (high).

Description

A vulnerability was found in TOTOLINK A702R, A3002R, A3002RU and EX1200T 3.0.0-B20230809.1615/4.0.0-B20230531.1404/4.0.0-B20230721.1521/4.1.2cu.5232_B20210713. It has been classified as critical. Affected is an unknown function of the file /boafrm/formIPv6Addr of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationPoC
AutomatableNo
Technical impactTotal

CISA Coordinator · SSVC 2.0.3 · Evaluated Jun 23, 2025 · Source: CVE List

Affected products and versions

4
ProductSourceVersion range

A3002R

Browse TOTOLINK / A3002R
CVE List3.0.0-B20230809.1615affected
4.0.0-B20230531.1404affected
4.0.0-B20230721.1521affected
4.1.2cu.5232_B20210713affected

A3002RU

Browse TOTOLINK / A3002RU
CVE List3.0.0-B20230809.1615affected
4.0.0-B20230531.1404affected
4.0.0-B20230721.1521affected
4.1.2cu.5232_B20210713affected

A702R

Browse TOTOLINK / A702R
CVE List3.0.0-B20230809.1615affected
4.0.0-B20230531.1404affected
4.0.0-B20230721.1521affected
4.1.2cu.5232_B20210713affected

EX1200T

Browse TOTOLINK / EX1200T
CVE List3.0.0-B20230809.1615affected
4.0.0-B20230531.1404affected
4.0.0-B20230721.1521affected
4.1.2cu.5232_B20210713affected

References

10
VDB-313386 | TOTOLINK A702R/A3002R/A3002RU/EX1200T HTTP POST Request formIPv6Addr buffer overflowvdb entryTechnical description
https://vuldb.com/?id.313386