CVE-2025-6393

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

Published Jun 21, 2025 CVSS 4.0 · 8.7 High EPSS 1.0% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-18887 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.
History
Type Values Removed Values Added
First Time appeared Totolink
Totolink a3002r
Totolink a3002r Firmware
Totolink a3002ru
Totolink a3002ru Firmware
Totolink a702r
Totolink a702r Firmware
Totolink ex1200t
Totolink ex1200t Firmware
CPEs cpe:2.3:h:totolink:a3002r:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a3002ru:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a702r:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:ex1200t:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a3002r_firmware:4.0.0-b20230531.1404:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a3002ru_firmware:3.0.0-b20230809.1615:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a702r_firmware:4.0.0-b20230721.1521:*:*:*:*:*:*:*
cpe:2.3:o:totolink:ex1200t_firmware:4.1.2cu.5232_b20210713:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink a3002r
Totolink a3002r Firmware
Totolink a3002ru
Totolink a3002ru Firmware
Totolink a702r
Totolink a702r Firmware
Totolink ex1200t
Totolink ex1200t Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title TOTOLINK A702R/A3002R/A3002RU/EX1200T HTTP POST Request formIPv6Addr buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': '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'}

cvssV3_1

{'score': 8.8, 'vector': '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'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Jun 23, 2025, 2:43 PM
Reserved
Jun 20, 2025, 5:34 AM
Status
Analyzed
Published
Jun 21, 2025, 1:15 AM
Modified
Jun 17, 2026, 10:01 AM