What is CVE-2026-8260?

CVE-2026-8260 is a high-severity vulnerability in D-Link Dcs-935l, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-05-11.

How severe is CVE-2026-8260?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2026-8260 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 Dcs-935l

CVE-2026-8260

A vulnerability was found in D-Link DCS-935L up to 1.10.01. The impacted element is the function SetDeviceSettings of the file /web/cgi-bin/hnap/hnap_service of the component HNAP Service. The manipulation of the argument AdminPassword results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (60.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

CryptReaper12/CVE-2026-8260

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (Exploit, Third Party Advisory, exploit)
cna@vuldb.com (Product, product)

Frequently asked questions

What is CVE-2026-8260?: CVE-2026-8260 is a high-severity vulnerability in D-Link Dcs-935l, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-05-11.
How severe is CVE-2026-8260?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2026-8260 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.