D-Link DIR-825 R1 Devices Buffer Overflow Vulnerability

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Jan 29, 2021 · Catalog

   Detected

   An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.

2. Nov 3, 2021 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. May 3, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.

Affected

• cpe dlink/dir-825 r1 firmwareversion unspecified
• vendor D-Link DIR-825 R1 Devicesversion unspecified

Sources

• CISA KEVConfirmed exploitationCVE-2020-29557

  D-Link DIR-825 R1 devices contain a buffer overflow vulnerability in the web interface that may allow for remote code execution.

  cisa.gov
• CVE.orgVulnerability recordCVE-2020-29557

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2020-29557

  30-day exploitation probability 54.3%

  first.org
• NIST NVDVulnerability recordCVE-2020-29557

  An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.

  nvd.nist.gov

References

• CISA note · nvd.nist.gov
• Broken Link · shaqed.github.io
• US Government Resource · cisa.gov
• Product · dlink.ru