CVE-2025-6400 Details
Description
A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formPortFw of the component HTTP POST Message Handler. The manipulation of the argument service_type leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
A critical buffer overflow vulnerability has been identified in the TOTOLINK N300RH router, specifically in the firmware version 6.1c.1390_B20191101. The issue arises in the HTTP POST Message Handler, within the file '/boafrm/formPortFw'. The vulnerability is triggered by manipulating the 'service_type' argument, leading to a stack overflow. This buffer overflow can be exploited remotely, potentially causing a denial-of-service condition by sending a malicious HTTP POST message.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 23, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/d2pq/cve/blob/main/616/20.md | CISA-ADP | ExploitThird Party Advisory |
| https://github.com/d2pq/cve/blob/main/616/20.md | [email protected] | ExploitThird Party Advisory |
| https://github.com/d2pq/cve/blob/main/616/20.md#poc | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.313394 | [email protected] | Permissions RequiredThird Party AdvisoryVDB Entry |
| https://vuldb.com/?id.313394 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.597687 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.totolink.net/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| totolink n300rh firmware | 6.1c.1390_b20191101 |
CPE
Remediation
| |
| totolink n300rh | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 25, 2025 | Initial Analysis | [email protected] |
| Jun 23, 2025 | CVE Modified | CISA-ADP |
| Jun 21, 2025 | New CVE Received | [email protected] |