CVE-2026-0838
Performing a manipulation of the argument ssid results in buffer overflow.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A security flaw has been discovered in UTT 进取 520W 1.7.7-180627. This impacts the function strcpy of the file /goform/ConfigWirelessBase. Performing a manipulation of the argument ssid results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. 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
- 3.87% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- utt/520w firmware
- Source
- cna@vuldb.com
References
- https://github.com/Lena-lyy/cve/blob/main/1223/28.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.340438Permissions Required, VDB Entry
- https://vuldb.com/?id.340438Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.729020Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.