D-Link DIR-822K 1.00 /boafrm/formNtp sub_455524 submit-url buffer overflow
Summary
A vulnerability was found in D-Link DIR-822K 1.00 and classified as critical. Impacted is the function sub_455524 of the file /boafrm/formNtp. Executing a manipulation of the argument submit-url can lead to buffer overflow.
This vulnerability is handled as CVE-2025-13549. The attack can be executed remotely. Additionally, an exploit exists.
Details
A vulnerability classified as critical was found in D-Link DIR-822K 1.00. This vulnerability affects the function sub_455524 of the file /boafrm/formNtp. The manipulation of the argument submit-url with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. 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-2025-13549. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/24/2025).
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.
The vulnerability is also documented in the databases at CNNVD (CNNVD-202511-2581) and EUVD (EUVD-2025-198567). Once again VulDB remains the best source for vulnerability data.
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-2025-13549 (🔒)
GCVE (CVE): GCVE-0-2025-13549
GCVE (VulDB): GCVE-100-333316
EUVD: 🔒
CNNVD: CNNVD-202511-2581 - D-Link DIR-822K 安全漏洞
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 11/22/2025 16:14Updated: 11/24/2025 18:42
Changes: 11/22/2025 16:14 (57), 11/23/2025 13:55 (31), 11/23/2025 14:58 (1), 11/24/2025 18:42 (6)
Complete: 🔍
Submitter: hhsw34
Cache ID: 216::103
Submit
Accepted
- Submit #693776: D-Link DIR-822k TK_1.00_20250513164613 Buffer Overflow (by hhsw34)
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.