Buffer overflow in D-Link Dcs-5020l

CVE-2025-5215

A vulnerability classified as critical has been found in D-Link DCS-5020L 1.01_B2. This affects the function websReadEvent of the file /rame/ptdc.cgi. The manipulation of the argument Authorization leads to stack-based buffer overflow. 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.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (59.3th 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)

References

Frequently asked questions

What is CVE-2025-5215?
CVE-2025-5215 is a high-severity vulnerability in D-Link Dcs-5020l, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-05-27.
How severe is CVE-2025-5215?
High severity. CVSS v3 base score is 8.8 out of 10.