CVE-2021-29294
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.13% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- dlink/dsl-2740r firmware
- Source
- cve@mitre.org
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213Vendor Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213Vendor Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.