D-Link DIR-825 3.00b32 nmbd sserver.c NMBD_process buffer overflow
Summary
A vulnerability marked as critical has been reported in D-Link DIR-825 3.00b32. This impacts the function NMBD_process of the file sserver.c of the component nmbd. Performing a manipulation results in buffer overflow. This vulnerability only affects products that are no longer supported by the maintainer.
This vulnerability was named CVE-2026-7068. The attack needs to be approached within the local network. In addition, an exploit is available.
Details
A vulnerability, which was classified as critical, was found in D-Link DIR-825 3.00b32. This affects the function NMBD_process of the file sserver.c of the component nmbd. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.
It is possible to read the advisory at tzh00203.notion.site. This vulnerability is uniquely identified as CVE-2026-7068. The exploitability is told to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/26/2026).
The exploit is shared for download at tzh00203.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.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Support
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
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: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Partially
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
04/26/2026 Advisory disclosed04/26/2026 VulDB entry created
04/26/2026 VulDB entry last update
Sources
Vendor: dlink.comAdvisory: tzh00203.notion.site
Status: Not defined
CVE: CVE-2026-7068 (🔒)
GCVE (CVE): GCVE-0-2026-7068
GCVE (VulDB): GCVE-100-359643
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/26/2026 09:43Changes: 04/26/2026 09:43 (58)
Complete: 🔍
Submitter: tian
Cache ID: 216::103
Submit
Accepted
- Submit #798646: D-Link DIR-825 C1_FW3.00b32 C1_FW3.00b32 Buffer Overflow (by tian)
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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