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Vulnerability record · CVE-2025-6399 · published 21 June 2025

CVE-2025-6399: Totolink x15 firmware memory buffer overflow vulnerability

TTotolink · X15 Firmware

A vulnerability, which was classified as critical, was found in TOTOLINK X15 1.0.0-B20230714.1105. 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.

7.4 CVSS 4.0 High EPSS 0.96% · top 40.0% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References, 3 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability, which was classified as critical, was found in TOTOLINK X15 1.0.0-B20230714.1105. 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.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/d2pq/cve/blob/main/616/19.md ExploitThird Party Advisory
https://github.com/d2pq/cve/blob/main/616/19.md#poc ExploitThird Party Advisory
https://vuldb.com/?ctiid.313392 Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?id.313392 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.597681 Third Party AdvisoryVDB Entry
https://www.totolink.net/ Product
https://github.com/d2pq/cve/blob/main/616/19.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2025-5503Totolink x15 firmware memory buffer overflow vulnerabilityA vulnerability, which was classified as critical, was found in TOTOLINK X15 1.0.0-B20230714.1105. This affects the function formMapReboot of the fil…EPSS 5.6%7.4CVE-2025-8246Totolink x15 firmware memory buffer overflow vulnerabilityA vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been rated as critical. Affected by this issue is some unknown functionality o…EPSS 0.85%7.4CVE-2025-8245Totolink x15 firmware memory buffer overflow vulnerabilityA vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been declared as critical. Affected by this vulnerability is an unknown functi…EPSS 1.1%7.4CVE-2025-8244Totolink x15 firmware memory buffer overflow vulnerabilityA vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been classified as critical. Affected is an unknown function of the file /boaf…EPSS 1.2%7.4CVE-2025-8243Totolink x15 firmware memory buffer overflow vulnerabilityA vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /bo…EPSS 1.1%7.4CVE-2025-8242Totolink x15 firmware memory buffer overflow vulnerabilityA vulnerability has been found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This vulnerability affects unknown code of the file /…EPSS 1.1%7.4CVE-2025-6824Totolink x15 firmware memory buffer overflow vulnerabilityA vulnerability classified as critical has been found in TOTOLINK X15 up to 1.0.0-B20230714.1105. Affected is an unknown function of the file /boafrm…EPSS 0.96%7.4CVE-2025-6402Totolink x15 firmware memory buffer overflow vulnerabilityA vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been declared as critical. This vulnerability affects unknown code of the file…EPSS 0.96%

Source: NIST National Vulnerability Database (record CVE-2025-6399), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.