TI-2025-35189 Aliases CVE-2025-55848 GHSA-h77w-7934-j4fw

An issue was discovered in DIR-823 firmware 20250416.

MEDIUM 46CWE-77Published 2025-09-26 · Updated 2025-09-29

Key facts

Attack vector: Adjacent 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-77.

Summary

An issue was discovered in DIR-823 firmware 20250416. There is an RCE vulnerability in the set_cassword settings interface, as the http_casswd parameter is not filtered by '&'to allow injection of reverse connection commands.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00407 35th 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: None
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-823x_firmware:250416:::::::*	250416	Vulnerable	D-Link Japan K.K.
cpe:2.3:h:dlink:dir-823x:-:::::::*	not specified by NVD	Running on	D-Link Japan K.K.

cpe:2.3:o:dlink:dir-823x_firmware:250416:*:*:*:*:*:*:* Versions 250416 Vulnerable ·D-Link Japan K.K.
cpe:2.3:h:dlink:dir-823x:-:*:*:*:*:*:*:* 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-2025-55848
2026-10-03 Alias added: GHSA-h77w-7934-j4fw

References

Exploit 1

https://github.com/meigui637/iot_zone/blob/main/%E5%91%BD%E4%BB%A4%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E.md

Other 1

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

TI-2025-21151 A command injection vulnerability in D-Link DIR-823X 240126 and 240802 allows an… KEVCVSS 3.1HIGH 7.2
TI-2025-20971 An issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via the function 0x417234 CVSS 3.1CRITICAL 9.8
TI-2025-20970 An issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via… CVSS 3.1CRITICAL 9.8
TI-2025-20969 An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via… CVSS 3.1CRITICAL 9.8
TI-2025-20968 An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via… CVSS 3.1CRITICAL 9.8
TI-2024-26840 D-Link DIR-823X AX3000 Dual-Band Gigabit Wireless Router v21_D240126 was discovered to… CVSS 3.1CRITICAL 9.8

See all 38 →

Sources

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