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TI-2020-12308 Aliases CVE-2020-15633GHSA-mm3r-85wp-99j8

Authentication bypass in D-Link Multiple Routers

Priority MEDIUM 43CWE-288Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-288.

Summary

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.

Why it matters now

EPSS 0.02888 86th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
D-LinkMultiple Routers1.20B10_BETA—No fix listedCNA
  • Multiple Routers VendorD-Link Affected 1.20B10_BETA Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:d-link:dir-867_firmware:*:*:*:*:*:*:*:*up to 1.20b10VulnerableD-Link
cpe:2.3:h:dlink:dir-867:-:*:*:*:*:*:*:*not specified by NVDRunning onD-Link Japan K.K.
cpe:2.3:o:d-link:dir-878_firmware:*:*:*:*:*:*:*:*up to 1.20b05VulnerableD-Link
cpe:2.3:h:dlink:dir-878:-:*:*:*:*:*:*:*not specified by NVDRunning onD-Link Japan K.K.
cpe:2.3:o:d-link:dir-882_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableD-Link
cpe:2.3:h:dlink:dir-882:-:*:*:*:*:*:*:*not specified by NVDRunning onD-Link Japan K.K.
  • cpe:2.3:o:d-link:dir-867_firmware:*:*:*:*:*:*:*:* Versions up to 1.20b10 Vulnerable ·D-Link
  • cpe:2.3:h:dlink:dir-867:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
  • cpe:2.3:o:d-link:dir-878_firmware:*:*:*:*:*:*:*:* Versions up to 1.20b05 Vulnerable ·D-Link
  • cpe:2.3:h:dlink:dir-878:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
  • cpe:2.3:o:d-link:dir-882_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link
  • cpe:2.3:h:dlink:dir-882:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-15633
  2. 2026-10-03 Alias added: GHSA-mm3r-85wp-99j8

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences