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CVE-2023-40798

HIGH
8.8
CVSS Score
Published: August 25, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:19 AM UTC
2 products affected across 1 vendorAC23 FirmwareAC23

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Severity
HIGH8.8
Exploit prediction
EPSS 0.9%
SSVC
PoC

Description

In Tenda AC23 v16.03.07.45_cn, the formSetIPv6status and formGetWanParameter functions do not authenticate user input parameters, resulting in a post-authentication stack overflow vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitThird Party Advisory
Source: [email protected]
https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/formSetIPv6status-formGetWanParameter

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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