CVE-2026-77988CWE-74CWE-77command-injection

CVE-2026-77988

Medium · published August 22, 2026

CVSS v3.1
6.6
EPSS
2%
Percentile
83.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.6 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
CVSS v4.0
5.1 · CVSS: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
EPSS
0.02399 · 83.9th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-08-22T16:16Z
References (5)
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-823DRU_bin_cli_NVRAM_Command_Injection.md · [email protected]https://vuldb.com/cve/CVE-2026-77988 · [email protected]https://vuldb.com/submit/881256 · [email protected]https://vuldb.com/vuln/394178 · [email protected]https://vuldb.com/vuln/394178/cti · [email protected]
EPSS history
Timeline
  • 22 AUG 11:45Z
    TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injection
    cvelistv5