High severity · published Jan 11, 2026
CVE-2026-0838
UTT 进取 520W ConfigWirelessBase strcpy buffer overflow
8.8
CVSS
3.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
进5
进取 520W · UTT
1.7.7-180627 · source: vendor
5F
520w Firmware · Utt
through 1.7.7-180627 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0838
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0838
Exploit
https://github.com/Lena-lyy/cve/blob/main/1223/28.md
Permissions Required
https://vuldb.com/?ctiid.340438
Third Party Advisory
https://vuldb.com/?id.340438
Third Party Advisory
https://vuldb.com/?submit.729020
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