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HIGH

CVE-2025-8243

TOTOLINK X15 HTTP POST Request formMapDel buffer overflow

CVSS v3

8.8

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

poc

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2025-8243 yet.

Full record on NVD

Description

A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formMapDel of the component HTTP POST Request Handler. The manipulation of the argument devicemac1 leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2025-07-27
Last Modified
2025-07-29

Frequently asked questions

What is CVE-2025-8243?

A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formMapDel of the component HTTP POST Request Handler. The manipulation of the argument devicemac1 leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Is CVE-2025-8243 actively exploited?

A proof-of-concept exploit exists for CVE-2025-8243, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-8243?

CVE-2025-8243 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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