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TI-2023-09857 Aliases CVE-2023-24099GHSA-wvx9-2gv8-v8jp

TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was…

Priority HIGH 71CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was discovered to contain a stack overflow via the username parameter at /formWizardPassword. This vulnerability allows attackers to execute arbitrary code via a crafted payload. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01084 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:trendnet:tew-820ap_firmware:1.01.b01:*:*:*:*:*:*:*1.01.b01VulnerableTRENDnet
cpe:2.3:h:trendnet:tew-820ap:1.0r:*:*:*:*:*:*:*1.0rRunning onTRENDnet
  • cpe:2.3:o:trendnet:tew-820ap_firmware:1.01.b01:*:*:*:*:*:*:* Versions 1.01.b01 Vulnerable ·TRENDnet
  • cpe:2.3:h:trendnet:tew-820ap:1.0r:*:*:*:*:*:*:* Versions 1.0r Running on ·TRENDnet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-24099
  2. 2026-10-03 Alias added: GHSA-wvx9-2gv8-v8jp

References

Exploit 1

  • TI-2024-34076 The boa httpd of Trendnet TEW-820AP 1.01.B01 has a stack overflow vulnerability in… CVSS 3.1CRITICAL 9.8
  • TI-2023-09856 TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was… CVSS 3.1HIGH 8.8
  • TI-2023-09855 TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was… CVSS 3.1HIGH 8.8
  • TI-2023-09854 TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was… CVSS 3.1HIGH 8.8
  • TI-2022-21800 A stack overflow vulnerability exists in TrendNet Wireless AC Easy-Upgrader TEW-820AP… CVSS 3.1HIGH 8.8
  • TI-2022-23296 TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was… CVSS 3.1HIGH 8.8
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences