CVE-2025-63456

HIGH

7.5

CVSS Score

Published: November 10, 2025 at 12:00 AM UTC

Updated: June 17, 2026 at 09:53 AM UTC

2 products affected across 1 vendorAX1803 FirmwareTenda AX-1803

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Severity

HIGH7.5

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the time parameter in the SetSysTimeCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Affected

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

AX1803 Firmware · Tenda

95%

1.0.0.1

Tenda AX-1803 · Tenda

90%

1.0.0.1

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: cverecord

https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1803/3/1.md

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-787CWE-121

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