VulnerabilityDeferred

CVE-2026-77988

A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01.

LOW 2.0EPSS 2.09%

Does this matter?

Lower severity and a low EPSS score (2.09%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0: 2.0 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 2.09% probability · 81th percentile
CISA KEV: Not listed
Weakness: CWE-74, CWE-77
Source: cna@vuldb.com

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.