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Vulnerability record · CVE-2025-8242 · published 27 July 2025

CVE-2025-8242: Totolink x15 firmware memory buffer overflow vulnerability

TTotolink · X15 Firmware

A vulnerability has been found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation of the argument ip6addr/url/vpnPassword/vpnUser leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

7.4 CVSS 4.0 High EPSS 1.1% · top 35.2% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
11References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability has been found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation of the argument ip6addr/url/vpnPassword/vpnUser leads to buffer overflow. The attack can be initiated 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/panda666-888/vuls/blob/main/totolink/x15/formFilter_ip6addr.md Exploit
https://github.com/panda666-888/vuls/blob/main/totolink/x15/formFilter_url.md Exploit
https://vuldb.com/?ctiid.317830 Permissions Required
https://vuldb.com/?id.317830 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.622661 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.622662 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.622664 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.622665 Third Party AdvisoryVDB Entry
https://www.totolink.net/ Product
https://github.com/panda666-888/vuls/blob/main/totolink/x15/formFilter_ip6addr.md Exploit
https://github.com/panda666-888/vuls/blob/main/totolink/x15/formFilter_url.md Exploit

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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-2025-6824Totolink 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-2025-8242), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.