CVE-2025-6393 | THREATINT

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.

Es wurde eine kritische Schwachstelle 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 ausgemacht. Hiervon betroffen ist ein unbekannter Codeblock der Datei /boafrm/formIPv6Addr der Komponente HTTP POST Request Handler. Durch das Manipulieren des Arguments submit-url mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-20 | Published 2025-06-21 | Updated 2025-06-21 | Assigner VulDB

HIGH: 8.7CVSS: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

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

3.0.0-B20230809.1615

affected

4.0.0-B20230531.1404

affected

4.0.0-B20230721.1521

affected

4.1.2cu.5232_B20210713

affected

3.0.0-B20230809.1615

affected

4.0.0-B20230531.1404

affected

4.0.0-B20230721.1521

affected

4.1.2cu.5232_B20210713

affected

3.0.0-B20230809.1615

affected

4.0.0-B20230531.1404

affected

4.0.0-B20230721.1521

affected

4.1.2cu.5232_B20210713

affected

3.0.0-B20230809.1615

affected

4.0.0-B20230531.1404

affected

4.0.0-B20230721.1521

affected

4.1.2cu.5232_B20210713

affected

Timeline

2025-06-20:	Advisory disclosed
2025-06-20:	VulDB entry created
2025-06-20:	VulDB entry last update

Credits

YeLeipeng_ (VulDB User) reporter

References

vuldb.com/?id.313386 (VDB-313386 | TOTOLINK A702R/A3002R/A3002RU/EX1200T HTTP POST Request formIPv6Addr buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.313386 (VDB-313386 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.597565 (Submit #597565 | TOTOLINK A3002RU V3.0.0-B20230809.1615 Buffer Overflow) third-party-advisory

vuldb.com/?submit.597566 (Submit #597566 | TOTOLINK A3002R V4.0.0-B20230531.1404 Buffer Overflow (Duplicate)) third-party-advisory

vuldb.com/?submit.597591 (Submit #597591 | TOTOLINK A702R V4.0.0-B20230721.1521 Buffer Overflow (Duplicate)) third-party-advisory

vuldb.com/?submit.597592 (Submit #597592 | TOTOLINK EX1200T V4.1.2cu.5232_B20210713 Buffer Overflow (Duplicate)) third-party-advisory

github.com/awindog/cve/blob/main/688/15.md related

github.com/awindog/cve/blob/main/688/16.md exploit

www.totolink.net/ product

cve.org (CVE-2025-6393)

nvd.nist.gov (CVE-2025-6393)

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