High severity · published Apr 9, 2026
CVE-2026-5979
D-Link DIR-605L POST Request formVirtualServ buffer overflow
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was detected in D-Link DIR-605L 2.13B01. Affected by this vulnerability is the function formVirtualServ of the file /goform/formVirtualServ of the component POST Request Handler. The manipulation of the argument curTime results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-605L · D-Link
2.13B01 · source: vendor
DF
Dir-605l Firmware · Dlink
2.13b01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5979
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5979
Exploit
https://lavender-bicycle-a5a.notion.site/D-Link-DIR-605L-formVirtualServ-33153a41781f80b496e1de206077bc7e?source=copy_link
Third Party Advisory
https://vuldb.com/submit/791852
Third Party Advisory
https://vuldb.com/vuln/356533
Permissions Required
https://vuldb.com/vuln/356533/cti
Product
https://www.dlink.com/
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