TI-2020-15530 Aliases CVE-2020-25366 GHSA-rpw2-pg2j-mxph

An issue in the component /cgi-bin/upload_firmware.cgi of D-Link DIR-823G REVA1 1.02B05…

MEDIUM 44CWE-862Published 2021-11-04 · Updated 2026-07-09

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.

Summary

An issue in the component /cgi-bin/upload_firmware.cgi of D-Link DIR-823G REVA1 1.02B05 allows attackers to cause a denial of service (DoS) via unspecified vectors.

Why it matters now

EPSS 0.0246 84th 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

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:1.02b05:::::::*	1.02b05	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:1.02b05:*:*:*:*:*:*:* Versions 1.02b05 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-2020-25366
2026-10-03 Alias added: GHSA-rpw2-pg2j-mxph

References

Exploit 1

https://github.com/sek1th/iot/blob/master/dir823g_upfw_dos.md

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