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Vulnerability record · CVE-2021-29295 · published 10 August 2021

CVE-2021-29295: Dlink dsp-w215 firmware null pointer dereference vulnerability

Dlink · Dsp W215 Firmware

Null Pointer Dereference vulnerability exists in D-Link DSP-W215 1.10, which could let a remote malicious user cause a denial of servie via usr/bin/lighttpd. It could be triggered by sending an HTTP request without URL in the start line directly to the device. NOTE: The DSP-W215 and all hardware revisions is considered End of Life and as such this issue will not be patched

7.5 CVSS 3.1 High EPSS 1.1% · top 35.0% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score, v2 5.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Null Pointer Dereference vulnerability exists in D-Link DSP-W215 1.10, which could let a remote malicious user cause a denial of servie via usr/bin/lighttpd. It could be triggered by sending an HTTP request without URL in the start line directly to the device. NOTE: The DSP-W215 and all hardware revisions is considered End of Life and as such this issue will not be patched

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10211 Vendor Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10211 Vendor Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2014-3936D-Link HNAP CGI stack buffer overflow in do_hnapA stack-based buffer overflow exists in the do_hnap function of www/my_cgi.cgi on D-Link DSP-W215 (Rev. A1) firmware 1.01b06 and earlier, DIR-505 fir…EPSS 77%analysed9.3CVE-2014-125117Dlink dsp-w215 firmware improper input validation vulnerabilityA stack-based buffer overflow vulnerability in the my_cgi.cgi component of certain D-Link devices, including the DSP-W215 version 1.02, can be exploi…EPSS 7.2%7.5CVE-2020-13136Dlink dsp-w215 firmware vulnerabilityD-Link DSP-W215 1.26b03 devices send an obfuscated hash that can be retrieved and understood by a network sniffer.EPSS 1.2%6.5CVE-2020-13135Dlink dsp-w215 firmware broken cryptographic algorithm vulnerabilityD-Link DSP-W215 1.26b03 devices allow information disclosure by intercepting messages on the local network, as demonstrated by a Squid Proxy.EPSS 0.75%6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed

Source: NIST National Vulnerability Database (record CVE-2021-29295), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.