TI-2025-01622 Aliases CVE-2025-1877 GHSA-rf73-69vr-qxgj

D-Link DAP-1562 HTTP POST Request pure_auth_check null pointer dereference

MEDIUM 64CWE-404Published 2025-03-03 · Updated 2025-03-03

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

A vulnerability, which was classified as critical, was found in D-Link DAP-1562 1.10. This affects the function pure_auth_check of the component HTTP POST Request Handler. The manipulation of the argument a1 leads to null pointer dereference. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01066 64th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
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
D-Link	DAP-1562	1.10	—	No fix listed	CNA

DAP-1562 VendorD-Link Affected 1.10 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:dlink:dap-1562_firmware:1.10:::::::*	1.10	Vulnerable	D-Link Japan K.K.
cpe:2.3:h:dlink:dap-1562::::::::	all versions	Running on	D-Link Japan K.K.

cpe:2.3:o:dlink:dap-1562_firmware:1.10:*:*:*:*:*:*:* Versions 1.10 Vulnerable ·D-Link Japan K.K.
cpe:2.3:h:dlink:dap-1562:*:*:*:*:*:*:*:* Versions all versions 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-2025-1877
2026-10-03 Alias added: GHSA-rf73-69vr-qxgj

References

Exploit 1

https://witty-maiasaura-083.notion.site/D-link-DAP-1562-pure_auth_check-Vulnerability-1a5b2f2a63618013a1fecb743f2d0667

Other 1

https://www.dlink.com/

TI-2024-03070 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection KEVCVSS 3.1CRITICAL 9.8
TI-2024-03069 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials KEVCVSS 3.1CRITICAL 9.8
TI-2024-00708 D-Link DIR-859 HTTP POST Request hedwig.cgi path traversal KEVCVSS 3.1CRITICAL 9.8
TI-2023-10693 OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to… KEVCVSS 3.1CRITICAL 9.8
TI-2022-17249 D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable… KEVCVSS 3.1CRITICAL 9.8
TI-2022-09657 D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE)… KEVCVSS 3.1CRITICAL 9.8

See all 979 →

Sources

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