# CVE-2025-51088: CVE-2025-51088

- Exploited (CISA KEV): no
- Published: 2025-07-24
- CVSS: 5.3 MEDIUM (v3.1)
- EPSS: 8.6% (95th percentile)

Tenda AC8V4 V16.03.34.06` was discovered to contain stack overflow at /goform/WifiGuestSet. The manipulation of the argument `shareSpeed` leads to stack-based buffer overflow.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Blocks by default | 2025-08-18 | 25 |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2025-08-18 · new · rule 4f6148a760804bf8ad8ebccfe4855472 · default Block
  > Tenda AC8v4 - Auth Bypass - CVE:CVE-2025-51087, CVE:CVE-2025-51088. Previous action: Log. New action: Block. This is a New Detection
  Source: https://developers.cloudflare.com/changelog/post/2025-08-18-waf-release/

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2025-51088 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-51088