# CVE-2025-55852: CVE-2025-55852

Status: published. Published: 2025-09-03. Updated: 2026-11-07.

Tenda AC8 v16.03.34.06 is vulnerable to Buffer Overflow in the formWifiBasicSet function via the parameter security or security_5g.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- tenda / ac8_firmware: 16.03.34.06 (affected, custom). Source: NVD; conditional on NVD configuration criteria

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:*:*:*:*:*:*:*",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      },
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:h:tenda:ac8:4.0:*:*:*:*:*:*:*",
            "vulnerable": false
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "AND"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation poc; automatable no; technical impact partial; source NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- Weaknesses: CWE-121

## Exploit evidence

- exploit: https://github.com/CyberJ3ff/IOT/blob/main/tenda/tenda%20AC8%20v4%20V16.03.34.06/detail.md (cve@mitre.org)

## References

- https://github.com/CyberJ3ff/IOT/blob/main/tenda/tenda%20AC8%20v4%20V16.03.34.06/detail.md (cve@mitre.org; Exploit, Third Party Advisory)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-55852; retrieved 2026-11-07; source updated 2026-11-07

Revision: e4e2e2e77bed4fed1e1139be61fb4f319f8a91ff582647b73b4d1e64cd454412

Canonical: https://y2.dev/cve/CVE-2025-55852

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