CVE-2026-124561 Details
Description
A vulnerability was determined in D-Link DIR-878 1.20B05. This impacts the function SetVLANSettings of the file prog.cgi of the component HNAP Handler. Executing a manipulation of the argument VID can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This vulnerability only affects products that are no longer supported by the maintainer.
A stack-based buffer overflow vulnerability has been identified in the D-Link DIR-878 router, specifically in version 1.20B05. The issue arises in the HNAP Handler component, within the SetVLANSettings function of the prog.cgi file. The vulnerability can be exploited remotely by manipulating the VID argument. This issue affects products that are no longer supported by the manufacturer.
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.
Volerion
Assessed Nov 9, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Zimo-666/DIR-878-cves/tree/main/03-settriggeradic-vlan-stack-overflow | [email protected] | Broken LinkExploit |
| https://vuldb.com/cve/CVE-2026-124561 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1035617 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/432893 | [email protected] | BundlePermission Required |
| https://vuldb.com/vuln/432893/cti | [email protected] | Content Wall |
| https://www.dlink.com/ | [email protected] | Vendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| D-Link DIR-878 | 1.20B05 |
CPE
Remediation
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Change History
1 change record found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 9, 2026 | New CVE Received | [email protected] |
Volerion