HOMEVULNERABILITIESCVE-2026-4975
HIGH

CVE-2026-4975

CWE-119Published: March 27, 2026· Updated: Apr 3, 2026

8.8
CVSS v3.1
EPSS:0.05%probability of exploitation in 30 daysPercentile:14.3th

Official Description

A vulnerability has been found in Tenda AC15 15.03.05.19. This affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

NVD Source

Technical Analysis

CVE-2026-4975 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

tenda2 products
ac15 firmwareac15
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (5)

https://vuldb.com/?ctiid.353862Permissions Required · VDB Entry
https://vuldb.com/?id.353862Third Party Advisory · VDB Entry
https://vuldb.com/?submit.778261Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2026-4975
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
EPSS (30d)0.05%
Affected1 vendor
PublishedMar 27, 2026

Related CVEs (CWE-119)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-4975 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.