KEV Entry

CVE-2023-33538

Known Exploited Vulnerability Entry Shadowserver

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Entry Details
Confirmed Exploited

CVE-2023-33538

2026-08-12 18:35 UTC

Characteristics

88.0

Timestamps

2026-08-12

2026-08-12

2026-08-12

Scope

Affected: TP-Link / TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 | Class: router | Severity: High (CVSS 8.8) | IoT: yes | In CISA KEV: yes | Honeypot connections on 2026-08-12: 3

References
  • {'id': 'CVE-2023-33538', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-33538'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

e1a1efe6-3b6c-476c-90b6-f3707e522f49

Shadowserver
c8fb6bf1-f81f-4cb8-95b1-eadbb3b54ee8

2026-08-14 01:01 UTC

2026-08-14 01:01 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
honeypot shadowserver in_the_wild_attempts 0.70
View details 
{
  "1d": "1",
  "30d_avg": 0,
  "7d_avg": 0,
  "90d_avg": 0,
  "cisa_kev": "yes",
  "class": "router",
  "connections": 3,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "yes",
  "observation_date": "2026-08-12",
  "product": "TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2",
  "type": "http-scan",
  "vendor": "TP-Link",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 8.8,
  "vulnerability_severity": "High"
}
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