H3C Magic B0 up to 100R002 /goform/aspForm Edit_BasicSSID param buffer overflow
Summary
A vulnerability was found in H3C Magic B0 up to 100R002. It has been rated as critical. This issue affects the function Edit_BasicSSID of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer overflow.
This vulnerability is reported as CVE-2026-6560. The attack is possible to be carried out remotely. Moreover, an exploit is present.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability was found in H3C Magic B0 up to 100R002. It has been classified as critical. This affects the function Edit_BasicSSID of the file /goform/aspForm. The manipulation of the argument param 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.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-6560. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.
The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
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 vulnerability database at EUVD (EUVD-2026-23684). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
License
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: 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
04/18/2026 Advisory disclosed04/18/2026 VulDB entry created
04/19/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-6560 (🔒)
GCVE (CVE): GCVE-0-2026-6560
GCVE (VulDB): GCVE-100-358197
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/18/2026 17:59Updated: 04/19/2026 13:54
Changes: 04/18/2026 17:59 (57), 04/19/2026 13:54 (1)
Complete: 🔍
Submitter: xyhackr
Cache ID: 216::103
Submit
Accepted
- Submit #788021: H3C Magic B0 <=100R002 Buffer Overflow (by xyhackr)
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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