TI-2020-13969 Aliases CVE-2020-21016 GHSA-6p9q-3fp4-ff53

D-Link DIR-846 devices with firmware 100A35 allow remote attackers to execute arbitrary…

HIGH 82CWE-94Published 2022-10-31 · Updated 2025-05-07

Key facts

Attack vector: Network
Privileges required: None
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 · CISA ADP. Fix status from CNA. Impact type from CWE-94.

Summary

D-Link DIR-846 devices with firmware 100A35 allow remote attackers to execute arbitrary code as root via HNAP1/control/SetGuestWLanSettings.php.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.02692 85th 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

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:dlink:dir-846_firmware:100a35:::::::*	100a35	Vulnerable	D-Link Japan K.K.
cpe:2.3:h:dlink:dir-846:-:::::::*	not specified by NVD	Running on	D-Link Japan K.K.

cpe:2.3:o:dlink:dir-846_firmware:100a35:*:*:*:*:*:*:* Versions 100a35 Vulnerable ·D-Link Japan K.K.
cpe:2.3:h:dlink:dir-846:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-21016
2026-10-03 Alias added: GHSA-6p9q-3fp4-ff53

References

Exploit 1

https://github.com/dahua966/Routers-vuls/blob/master/DIR-846/GuestWLanSetting_RCE.md

Advisory 1

https://www.dlink.com/en/security-bulletin/

TI-2023-16660 D-Link DIR-846 v1.00A52 was discovered to contain a remote command execution (RCE)… CVSS 3.1CRITICAL 9.8
TI-2023-23172 D-Link Wireless MU-MIMO Gigabit AC1200 Router DIR-846 100A53DBR-Retail devices allow an… CVSS 3.1HIGH 8.8
TI-2022-23009 D-Link DIR-846 Firmware FW100A53DBR was discovered to contain a remote command execution… CVSS 3.1HIGH 8.8
TI-2021-21153 A Remote Command Execution (RCE) vulnerability exists in… CVSS 3.1CRITICAL 9.8
TI-2020-16717 HNAP1/control/SetMasterWLanSettings.php in D-Link D-Link Router DIR-846 DIR-846 A1_100.26… CVSS 3.1CRITICAL 9.8
TI-2021-21155 Remote Code Execution (RCE) vulnerability exists in D-Link Router DIR-846… CVSS 3.1CRITICAL 9.8

See all 12 →

Sources

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