Description
A vulnerability has been found in Totolink X5000R 9.1.0u.6369_B20230113. This vulnerability affects the function sub_458E40 of the file /boafrm/formDdns. The manipulation of the argument submit-url leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Published: 2026-05-08
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 08 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 08 May 2026 06:45:00 +0000

Type Values Removed Values Added
First Time appeared Totolink x5000r
Vendors & Products Totolink x5000r

Fri, 08 May 2026 05:00:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in Totolink X5000R 9.1.0u.6369_B20230113. This vulnerability affects the function sub_458E40 of the file /boafrm/formDdns. The manipulation of the argument submit-url leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Title Totolink X5000R formDdns sub_458E40 buffer overflow
First Time appeared Totolink
Totolink x5000r Firmware
Weaknesses CWE-119
CWE-120
CPEs cpe:2.3:o:totolink:x5000r_firmware:*:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink x5000r Firmware
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'}


Subscriptions

Totolink X5000r X5000r Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-08T12:55:48.365Z

Reserved: 2026-05-07T17:56:23.727Z

Link: CVE-2026-8137

cve-icon Vulnrichment

Updated: 2026-05-08T12:55:33.735Z

cve-icon NVD

Status : Deferred

Published: 2026-05-08T05:16:11.620

Modified: 2026-05-08T15:45:49.503

Link: CVE-2026-8137

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-08T07:00:04Z

Weaknesses