VulnerabilityAnalyzed
CVE-2026-0839
A weakness has been identified in UTT 进取 520W 1.7.7-180627.
HIGH 7.4EPSS 1.08%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A weakness has been identified in UTT 进取 520W 1.7.7-180627. Affected is the function strcpy of the file /goform/APSecurity. Executing a manipulation of the argument wepkey1 can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could 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
- 1.08% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- utt/520w firmware
- Source
- cna@vuldb.com
References
- https://github.com/GUOTINGTING2297/cve/blob/main/1234/29.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.340439Permissions Required, VDB Entry
- https://vuldb.com/?id.340439Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.729028Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.