D-Link DIR-600L 2.17/2.17b02 authentication.cgi authenticationcgi_main id/password stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.1 | $0-$5k | 0.00+ |
Summary
A vulnerability classified as very critical was found in D-Link DIR-600L 2.17/2.17b02. Affected by this issue is the function authenticationcgi_main of the file authentication.cgi. Executing a manipulation of the argument id/password can lead to stack-based overflow.
This vulnerability is handled as CVE-2026-129353. The attack can be executed remotely. Additionally, an exploit exists.
Details
A vulnerability was found in D-Link DIR-600L 2.17/2.17b02. It has been declared as very critical. This vulnerability affects the function authenticationcgi_main of the file authentication.cgi. The manipulation of the argument id/password with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. The product writes past the end of a buffer that was allocated on the stack. As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability was named CVE-2026-129353. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/14/2026).
It is possible to download the exploit at github.com. 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.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.1
VulDB Base Score: 10.0
VulDB Temp Score: 9.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
11/14/2026 Advisory disclosed11/14/2026 VulDB entry created
11/14/2026 VulDB entry last update
Sources
Vendor: dlink.comAdvisory: github.com
Status: Not defined
CNA: VulDB
CVE: CVE-2026-129353 (🔒)
GCVE (CVE): GCVE-0-2026-129353
GCVE (VulDB): GCVE-100-437416
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 11/14/2026 07:43Changes: 11/14/2026 07:43 (57)
Complete: 🔍
Submitter: ruanyi
Cache ID: 216::103
Submit
Accepted
- Submit #1043523: D-Link DIR-600L 2.17b02 Stack-based Buffer Overflow (by ruanyi)
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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