Security readout for executives and security teams
Plain-English summary
This issue can let an unauthenticated network attacker crash or disrupt a vulnerable Tenda AC8V4 router by abusing guest Wi-Fi settings handling. The reported impact is availability only, not data theft or device takeover. Source metadata is incomplete, so confirm model and firmware carefully.
Executive priority
Treat as a moderate infrastructure hardening item. Prioritize internet-exposed or business-critical routers first, because the known impact is service disruption rather than confirmed compromise.
Technical view
CVE-2025-51088 is a CWE-121 stack-based buffer overflow in Tenda AC8V4 firmware V16.03.34.06 at /goform/WifiGuestSet. The shareSpeed argument is identified as the trigger. CVSS 3.1 is 5.3: network-accessible, low complexity, no privileges, no user interaction, low availability impact.
Likely exposure
Likely exposure is limited to Tenda AC8V4 devices running firmware V16.03.34.06 where the management or goform interface is reachable. The official affected-product fields are listed as n/a, so asset validation is important.
Exploitation context
The bundle includes a public researcher reference, but KEV is false and no cited source states active exploitation. No vendor patch or workaround is named in the provided sources.
Researcher notes
The CVE record gives a narrow root cause and parameter name, but structured affected-product data is incomplete. Avoid assuming broader Tenda impact without vendor confirmation. Validate exposure by model, firmware, and management-interface reachability.
Mitigation direction
- Identify Tenda AC8V4 devices and verify firmware V16.03.34.06.
- Restrict router management access to trusted admin networks only.
- Check Tenda guidance for firmware updates or official mitigations.
- Avoid exposing the management interface to the public internet.
- Monitor affected devices for unexpected reboots or availability loss.
Validation and detection
- Confirm device model and firmware through approved asset inventory.
- Verify management interfaces are not internet-reachable.
- Review router logs for unexpected guest Wi-Fi changes or restarts.
- Track vendor advisories for CVE-2025-51088 remediation guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-51088 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L3.91.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/TL-SN/IOT/blob/main/Tenda/Tenda-AC8v4%20%20V16.03.34.06/CVE-2025-51088.mdCVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.