CVE-2026-77988: TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injection

Severity: medium (CVSS 6.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-22 · updated 2026-10-12
Weakness: CWE-74

Description

A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. This vulnerability affects the function nvram_get of the component CLI Configuration Tool. This manipulation causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

TRENDnet TEW-823DRU: 1.1.02b01

References

https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-823DRU_bin_cli_NVRAM_Command_Injection.md
https://vuldb.com/cve/CVE-2026-77988
https://vuldb.com/submit/881256
https://vuldb.com/vuln/394178
https://vuldb.com/vuln/394178/cti

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