CVE-2026-3701
A security vulnerability has been detected in H3C Magic B1 up to 100R004.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A security vulnerability has been detected in H3C Magic B1 up to 100R004. Affected by this vulnerability is the function Edit_BasicSSID_5G of the file /goform/aspForm. Such manipulation of the argument param leads to buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- CVSS 4.0
- 7.4 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.69% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- h3c/magic b1 firmware
- Source
- cna@vuldb.com
References
- https://github.com/saltedfisholdxu/vul/blob/main/Magic%20B1/6_b1-report.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.349647Permissions Required, VDB Entry
- https://vuldb.com/?id.349647Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.765771Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.