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Vulnerability record · CVE-2025-5503 · published 3 June 2025

CVE-2025-5503: 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. This affects the function formMapReboot of the file /boafrm/formMapReboot. The manipulation of the argument deviceMacAddr leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

8.7 CVSS 4.0 High EPSS 5.6% · top 7.3% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
8.7CVSS 4.0 base score, v2 9.0
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 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. This affects the function formMapReboot of the file /boafrm/formMapReboot. The manipulation of the argument deviceMacAddr leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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:X/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/Yhuanhuan01/TOTOlink/blob/main/TOTOlink-x15.md#poc2-stack_overflow ExploitThird Party Advisory
https://vuldb.com/?ctiid.310917 Permissions RequiredVDB Entry
https://vuldb.com/?id.310917 Third Party AdvisoryVDB Entry
https://www.totolink.net/ Product

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Related vulnerabilities

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

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%7.4CVE-2025-6399Totolink x15 firmware memory buffer overflow vulnerabilityA vulnerability, which was classified as critical, was found in TOTOLINK X15 1.0.0-B20230714.1105. Affected is an unknown function of the file /boafr…EPSS 0.96%

Source: NIST National Vulnerability Database (record CVE-2025-5503), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.