High severity7.5NVD Advisory· Published Aug 10, 2021· Updated Jun 17, 2026
CVE-2021-29294
CVE-2021-29294
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
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Affected products
3- D-Link/DSL-2740Rdescription
- cpe:2.3:o:dlink:dsl-2740r_firmware:uk_1.01:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- supportannouncement.us.dlink.com/announcement/publication.aspxnvdVendor Advisory
- www.dlink.com/en/security-bulletin/nvdVendor Advisory
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