Read the docs
TI-2021-21235 Aliases CVE-2021-46441GHSA-h3j8-7hpq-9hpq

In the "webupg" binary of D-Link DIR-825 G1, because of the lack of parameter…

Priority MEDIUM 63CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
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-78.

Summary

In the "webupg" binary of D-Link DIR-825 G1, because of the lack of parameter verification, attackers can use "cmd" parameters to execute arbitrary system commands after obtaining authorization.

Why it matters now

EPSS 0.32591 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:dlink:dir-825_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableD-Link Japan K.K.
cpe:2.3:h:dlink:dir-825:g1:*:*:*:*:*:*:*g1Running onD-Link Japan K.K.
  • cpe:2.3:o:dlink:dir-825_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
  • cpe:2.3:h:dlink:dir-825:g1:*:*:*:*:*:*:* Versions g1 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-2021-46441
  2. 2026-10-03 Alias added: GHSA-h3j8-7hpq-9hpq

References

  • TI-2019-12619 Unauthenticated remote code execution occurs in D-Link products such as DIR-655C… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-06566 D-Link DIR-825 httpd switch_language.cgi sub_410DDC stack-based overflow CVSS 4.0CRITICAL 9.3
  • TI-2021-21236 In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through… CVSS 3.1CRITICAL 9.8
  • TI-2026-06192 D-Link DIR-825 nmbd sserver.c NMBD_process buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-09764 D-Link DIR-825 apply.cgi sub_4106d4 buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-09210 D-Link DIR-825 httpd ping6_response.cg get_ping6_app_stat buffer overflow CVSS 4.0HIGH 8.7
See all 18 →

Sources