What is CVE-2025-1876?

CVE-2025-1876 is a high-severity vulnerability in D-Link Dap-1562, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.3/10. Published 2025-03-03.

How severe is CVE-2025-1876?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2025-1876 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in D-Link Dap-1562

CVE-2025-1876

A vulnerability, which was classified as critical, has been found in D-Link DAP-1562 1.10. Affected by this issue is the function http_request_parse of the component HTTP Header Handler. The manipulation of the argument Authorization leads to stack-based buffer overflow. The attack may be launched 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.

Vulnerability class: Buffer Overflow

Published 2025-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.036 (88.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.035 · newest: 0.036 · change: +0.001

Affected products

D-Link Dap-1562 — versions 1.10
Dlink Dap-1562
Dlink Dap-1562 Firmware — versions 1.10

Weakness classification (CWE)

Public proof-of-concept exploits

X99874/X99874

References

vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
witty-maiasaura-083.notion.site/D-link-DAP-1562-http_request_parse-Vulnerabilit… (Exploit, Third Party Advisory, exploit)
www.dlink.com/ (Product, product)

Frequently asked questions

What is CVE-2025-1876?: CVE-2025-1876 is a high-severity vulnerability in D-Link Dap-1562, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.3/10. Published 2025-03-03.
How severe is CVE-2025-1876?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2025-1876 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.