How severe is CVE-2021-29295?

CVE-2021-29295 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-29295 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29295?

CVE-2021-29295 affects Dlink Dsp-w215 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29295?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-29295 published?

CVE-2021-29295 was published on 2021-08-10 and last updated on 2026-06-17.

CVE-2021-29295

CVE-2021-29295 is a high-severity vulnerability in Dlink Dsp-w215 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Dlink Dsp-w215 Firmware
Published: 2021-08-10
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2021-29295?: 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
How severe is CVE-2021-29295?: CVE-2021-29295 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-29295 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29295?: CVE-2021-29295 affects Dlink Dsp-w215 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29295?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-29295 published?: CVE-2021-29295 was published on 2021-08-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dsp-w215_firmware:1.10:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dsp-w215 Firmware

CVE-2014-3936 — Critical (CVSS 10.0): Stack-based buffer overflow in the do_hnap function in www/my_cgi.cgi in D-Link DSP-W215 (Rev. A1) with firmware…
CVE-2014-125117 — Critical (CVSS 9.8): A stack-based buffer overflow vulnerability in the my_cgi.cgi component of certain D-Link devices, including the…
CVE-2020-13136 — High (CVSS 7.5): D-Link DSP-W215 1.26b03 devices send an obfuscated hash that can be retrieved and understood by a network sniffer.
CVE-2020-13135 — Medium (CVSS 6.5): D-Link DSP-W215 1.26b03 devices allow information disclosure by intercepting messages on the local network, as…

All CVEs affecting Dlink Dsp-w215 Firmware →

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