CVE-2025-5621
A vulnerability has been found in D-Link DIR-816 1.10CNB05 and classified as critical.
Does this matter?
Lower severity and a low EPSS score (7.47%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability has been found in D-Link DIR-816 1.10CNB05 and classified as critical. Affected by this vulnerability is the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
- CVSS 4.0
- 6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 7.47% probability · 94th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-77, CWE-78
- Affected
- dlink/dir-816 firmware
- Source
- cna@vuldb.com
EPSS 7.5% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_49/49.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.311107Permissions Required
- https://vuldb.com/?id.311107Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.589221Third Party Advisory, VDB Entry
- https://www.dlink.com/Product
- https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_49/49.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.