CVE-2021-29294

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-10 · updated 2026-06-17
Weakness: CWE-476

Description

Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized function. It could be triggered by sending crafted POST request to /HNAP1/. NOTE: The DSL-2740R and all hardware revisions are considered End of Life and as such this issue will not be patched

Affected products

D-Link DSL-2740R: uk_1.01

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213
https://www.dlink.com/en/security-bulletin/
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213
https://www.dlink.com/en/security-bulletin/

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