Which products and versions are affected by CVE-2026-9385?

Affected: A8000ru Firmware (Totolink); A8000RU. The full list is in the CVE brief.

Is CVE-2026-9385 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2026-9385 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-9385?

Public exploit code is available.

Is there a fix for CVE-2026-9385?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2026-9385 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

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Vulnerability Intelligence

CVE-2026-9385

HighPublic exploit

Totolink A8000RU Web Management cstecgi.cgi setTracerouteCfg os command injection

Published May 24, 2026 · Updated Jul 23, 2026 · Also known as EUVD-2026-31597, GHSA-j8qr-3593-h6q8

Key Facts

Patch immediately

CVE-2026-9385 is a high-severity vulnerability (CVSS 8.9 v4) affecting A8000ru Firmware (Totolink), A8000RU.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 3.3% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

CVSS v4

8.9

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS (30-day exploit likelihood)

3.3%

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2026-9385 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument command causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
A8000ru FirmwareTotolink	See advisory	n/a
A8000RU	See advisory	n/a

Timeline

Publicly disclosed
May 24, 2026
Last updated
Jul 23, 2026

Weakness Type

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

FAQ

Common Questions.

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521.
Affected: A8000ru Firmware (Totolink); A8000RU. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

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