D-Link DIR-605L 2.13B01 POST Request /goform/formSetDDNS curTime buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.38

Summaryinfo

A vulnerability classified as critical has been found in D-Link DIR-605L 2.13B01. Impacted is the function formSetDDNS of the file /goform/formSetDDNS of the component POST Request Handler. The manipulation of the argument curTime leads to buffer overflow. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is uniquely identified as CVE-2026-5983. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, has been found in D-Link DIR-605L 2.13B01. This issue affects the function formSetDDNS of the file /goform/formSetDDNS of the component POST Request Handler. The manipulation of the argument curTime with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The advisory is shared at lavender-bicycle-a5a.notion.site. The identification of this vulnerability is CVE-2026-5983. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/09/2026).

The exploit is available at lavender-bicycle-a5a.notion.site. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/09/2026 Advisory disclosed
04/09/2026 +0 days VulDB entry created
04/09/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: lavender-bicycle-a5a.notion.site
Status: Not defined

CVE: CVE-2026-5983 (🔒)
GCVE (CVE): GCVE-0-2026-5983
GCVE (VulDB): GCVE-100-356537
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/09/2026 14:24
Changes: 04/09/2026 14:24 (59)
Complete: 🔍
Submitter: wxhwxhwxh_mie
Cache ID: 216:5F8:103

Submitinfo

Accepted

  • Submit #791856: D-Link DIR-605L D-Link DIR-605L 2.13B01 BETA Buffer Overflow (by wxhwxhwxh_mie)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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