D-Link DIR-822K/DWR-M920 1.00_20250513164613/1.1.50 formVpnConfigSetup submit-url buffer overflow
Summary
A vulnerability was found in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. It has been classified as critical. The affected element is an unknown function of the file /boafrm/formVpnConfigSetup. The manipulation of the argument submit-url leads to buffer overflow. This vulnerability is uniquely identified as CVE-2025-13550. The attack is possible to be carried out remotely. Moreover, an exploit is present.
Details
A vulnerability, which was classified as critical, has been found in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. This issue affects an unknown code block of the file /boafrm/formVpnConfigSetup. The manipulation of the argument submit-url 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 github.com. The identification of this vulnerability is CVE-2025-13550. 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 11/24/2025).
The exploit is available 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.
The vulnerability is also documented in the databases at CNNVD (CNNVD-202511-2580) and EUVD (EUVD-2025-198570). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.4
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.8
CNA Vector: 🔒
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: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
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
11/22/2025 Advisory disclosed11/22/2025 VulDB entry created
11/24/2025 VulDB entry last update
Sources
Vendor: dlink.comAdvisory: github.com
Status: Not defined
CVE: CVE-2025-13550 (🔒)
GCVE (CVE): GCVE-0-2025-13550
GCVE (VulDB): GCVE-100-333317
EUVD: 🔒
CNNVD: CNNVD-202511-2580 - D-Link DWR-M920和D-Link DIR-822K 安全漏洞
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 11/22/2025 16:17Updated: 11/24/2025 18:42
Changes: 11/22/2025 16:17 (56), 11/23/2025 16:52 (31), 11/23/2025 17:05 (1), 11/24/2025 18:42 (6)
Complete: 🔍
Submitter: hhsw34
Cache ID: 216::103
Submit
Accepted
- Submit #693777: D-Link DIR-822k TK_1.00_20250513164613 Buffer Overflow (by hhsw34)
Duplicate
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