CVE-2026-124563 Details
Description
A security flaw has been discovered in D-Link DIR-878 1.20B05. Affected by this vulnerability is the function SetWanSettings of the component HNAP Handler. The manipulation of the argument Primary/Secondary results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
A 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 SetWanSettings function. The vulnerability is triggered by manipulating the Primary or Secondary argument, allowing for remote exploitation. This flaw affects devices 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
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Zimo-666/DIR-878-cves/tree/main/05-setwansettings-l2tp-pptp-dns-overflow | [email protected] | Broken LinkExploit |
| https://vuldb.com/cve/CVE-2026-124563 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1035619 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/432895 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/432895/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-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| D-Link DIR-878 | 1.20B05 |
CPE
Remediation
| |
Change History
1 change record found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 9, 2026 | New CVE Received | [email protected] |
Volerion