TI-2023-24024 Aliases CVE-2023-44839 GHSA-qccj-536p-x9c6

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the…

MEDIUM 50CWE-120Published 2023-10-05 · Updated 2024-09-19

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the Encryption parameter in the SetWLanRadioSecurity function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.08866 95th 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: Partial

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-823g_firmware:1.0.2b05:::::::*	1.0.2b05	Vulnerable	D-Link Japan K.K.
cpe:2.3:h:dlink:dir-823g:a1:::::::*	a1	Running on	D-Link Japan K.K.

cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:* Versions 1.0.2b05 Vulnerable ·D-Link Japan K.K.
cpe:2.3:h:dlink:dir-823g:a1:*:*:*:*:*:*:* Versions a1 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-2023-44839
2026-10-03 Alias added: GHSA-qccj-536p-x9c6
2026-10-06 EPSS moved to the 95th–99th percentile

References

Exploit 1

https://github.com/bugfinder0/public_bug/tree/main/dlink/dir823g/SetWLanRadioSecurity_Encryption

Advisory 1

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

TI-2023-23153 D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter… CVSS 3.1CRITICAL 9.8
TI-2023-23147 D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter… CVSS 3.1CRITICAL 9.8
TI-2023-13961 D-Link DIR823G_V1.0.2B05 was discovered to contain a stack overflow via the NewPassword parameters in SetPasswdSettings. CVSS 3.1CRITICAL 9.8
TI-2023-11745 D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which… CVSS 3.1CRITICAL 9.8
TI-2023-11743 An OS command injection vulnerability in D-Link DIR-823G firmware version 1.02B05 allows… CVSS 3.1CRITICAL 9.8
TI-2023-11742 D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which… CVSS 3.1CRITICAL 9.8

See all 58 →

Sources

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