Buffer overflow in D-Link Dir-605l
CVE-2026-5983
A vulnerability was determined in D-Link DIR-605L 2.13B01. This issue affects the function formSetDDNS of the file /goform/formSetDDNS of the component POST Request Handler. Executing a manipulation of the argument curTime can lead to buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. This vulnerability only affects products that are no longer supported by the maintainer.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.007 · change: -0.005
Affected products
- D-Link Dir-605l — versions 2.13B01
- Dlink Dir-605l
- Dlink Dir-605l Firmware — versions 2.13b01
Weakness classification (CWE)
References
- vuldb.com/vuln/356537 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/356537/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/791856 (VDB Entry, Third Party Advisory, third-party-advisory)
- lavender-bicycle-a5a.notion.site/D-Link-DIR-605L-formSetDDNS-33153a41781f802f99… (Exploit, Third Party Advisory, exploit)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2026-5983?
- CVE-2026-5983 is a high-severity vulnerability in D-Link Dir-605l, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-04-09.
- How severe is CVE-2026-5983?
- High severity. CVSS v3 base score is 8.8 out of 10.