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Vulnerability record · CVE-2023-24099 · published 23 January 2023

CVE-2023-24099: Trendnet tew-820ap firmware out-of-bounds write vulnerability

Trendnet · Tew 820ap Firmware

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.

8.8 CVSS 3.1 High EPSS 1.0% · top 37.5% CWE-787 · Out-of-bounds write
8.8CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/chunklhit/cve/blob/master/TRENDNet/TEW-820AP/07/README.md ExploitThird Party Advisory
https://github.com/chunklhit/cve/blob/master/TRENDNet/TEW-820AP/07/README.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-50667Trendnet tew-820ap firmware classic buffer overflow vulnerabilityThe boa httpd of Trendnet TEW-820AP 1.01.B01 has a stack overflow vulnerability in /boafrm/formIPv6Addr, /boafrm/formIpv6Setup, /boafrm/formDnsv6. Th…EPSS 6.7%8.8CVE-2023-24095Trendnet tew-820ap firmware out-of-bounds write vulnerabilityTrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was discovered to contain a stack overflow via the submit-url parameter…EPSS 1.0%8.8CVE-2023-24096Trendnet tew-820ap firmware out-of-bounds write vulnerabilityTrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was discovered to contain a stack overflow via the newpass parameter at…EPSS 1.0%8.8CVE-2023-24097Trendnet tew-820ap firmware out-of-bounds write vulnerabilityTrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was discovered to contain a stack overflow via the submit-url parameter…EPSS 1.0%8.8CVE-2023-24098Trendnet tew-820ap firmware out-of-bounds write vulnerabilityTrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was discovered to contain a stack overflow via the submit-url parameter…EPSS 1.0%8.8CVE-2022-47065Trendnet tew-820ap firmware out-of-bounds write vulnerabilityTrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was discovered to contain a stack overflow via the submit-url parameter…EPSS 1.1%8.8CVE-2022-44373Trendnet tew-820ap firmware out-of-bounds write vulnerabilityA stack overflow vulnerability exists in TrendNet Wireless AC Easy-Upgrader TEW-820AP (Version v1.0R, firmware version 1.01.B01) which may result in …EPSS 1.5%8.8CVE-2026-53266Linux kernel ebtables SNAT out-of-bounds write in ARP rewriteThe ebtables SNAT target rewrites the ARP sender hardware address via skb_store_bits() without first making that range writable. When the ARP SHA byt…KEVEPSS 0.65%analysed

Source: NIST National Vulnerability Database (record CVE-2023-24099), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.