HOMEVULNERABILITIESCVE-2023-5028
MEDIUM

CVE-2023-5028

CWE-534Published: September 17, 2023· Updated: Jun 17, 2026

4.6
CVSS v3.1

Official Description

A vulnerability, which was classified as problematic, has been found in China Unicom TEWA-800G 4.16L.04_CT2015_Yueme. Affected by this issue is some unknown functionality. The manipulation leads to information exposure through debug log file. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. VDB-239870 is the identifier assigned to this vulnerability.

NVD Source

Technical Analysis

CVE-2023-5028 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.6.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

chinaunicom2 product(s)
tewa-800g firmwaretewa-800g
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (6)

Quick Facts

CVE IDCVE-2023-5028
CVSS Score4.6 / 10
SeverityMEDIUM
WeaknessCWE-534
CISA KEVNo
Affected1 vendor(s)
PublishedSep 17, 2023

Related CVEs (CWE-534)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-5028 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.