CVE-2026-75976

A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. Impacted is the function strcpy of the file /cgi-bin/wan.cgi of the component NVRAM. This manipulation of the argument wan_l2tp_password causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

CVSS 4.0

8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

CVSS 3.1

9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-121

Published

2026-08-19

Modified

2026-10-22

Record from

the NVD, synced 2026-10-22

References

• https://github.com/meishigana/CVE/blob/main/team15_20260702/10_823dru-rc-bof/poc/poc-rc-overflow.py
• https://github.com/meishigana/CVE/tree/main/team15_20260702/10_823dru-rc-bof
• https://vuldb.com/cve/CVE-2026-75976
• https://vuldb.com/submit/877796
• https://vuldb.com/vuln/391892

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