High severity · published Jan 11, 2026
CVE-2026-0836
UTT 进取 520W formConfigFastDirectionW strcpy buffer overflow
8.8
CVSS
0.9%
EPSS
No
On KEV
Description
A vulnerability was determined in UTT 进取 520W 1.7.7-180627. The impacted element is the function strcpy of the file /goform/formConfigFastDirectionW. This manipulation of the argument ssid causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. 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)0.9% · higher than 58% 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-2026-0836
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0836
Exploit
https://github.com/Lena-lyy/cve/blob/main/1223/26.md
Permissions Required
https://vuldb.com/?ctiid.340436
Third Party Advisory
https://vuldb.com/?id.340436
Third Party Advisory
https://vuldb.com/?submit.729018
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