CVE-2026-0839UTT 进取 520W APSecurity strcpy buffer overflow
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No exploitation reported and no EPSS estimate yet.
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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
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-120, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Feb 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
UTT 进取 520W utt:520w (from the name) | 1.7.7-180627 | CNA record |
utt 520w_firmware utt:520w_firmware | through 1.7.7-180627 | NVD |
References
- https://vuldb.com/?id.340439vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/?ctiid.340439signature, permissions-required, vdb-entry
- https://vuldb.com/?submit.729028third-party-advisory, vdb-entry
- https://github.com/GUOTINGTING2297/cve/blob/main/1234/29.mdexploit, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.