What’s Vulnerable › Vulnerabilities

CVE-2025-5215: D-Link DCS-5020L ptdc.cgi websReadEvent stack-based overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-05-27 · updated 2026-06-17
• Weakness: CWE-119

Description

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.

Affected products

• D-Link DCS-5020L: 1.01_b2

References

• https://github.com/xiaobor123/vul-dlink-dcs5020l
• https://github.com/xiaobor123/vul-dlink-dcs5020l#poc
• https://vuldb.com/?ctiid.310311
• https://vuldb.com/?id.310311
• https://vuldb.com/?submit.582935
• https://www.dlink.com/
• https://github.com/xiaobor123/vul-dlink-dcs5020l

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