Security readout for executives and security teams
Plain-English summary
This CVE describes a remotely reachable crash risk in the UPnP service on Tenda AC8 hardware version v03.03.10.01. A crafted network packet can trigger a buffer overflow and cause denial of service. The available sources do not name data theft, code execution, a vendor patch, or active exploitation.
Executive priority
Treat this as a high-priority availability risk for sites using the named router model and firmware. Prioritize inventory, exposure reduction, and vendor update checks, especially for networks where router downtime would disrupt business operations.
Technical view
The record describes CWE-121 stack-based buffer overflow behavior in the Tenda AC8 UPnP service. CVSS 3.1 is 7.5 with network attack vector, low complexity, no privileges, no user interaction, unchanged scope, and availability-only impact. Published affected metadata is incomplete, listing vendor/product/version as n/a despite the description naming Tenda AC8 v03.03.10.01.
Likely exposure
Exposure is most likely where Tenda AC8 devices running v03.03.10.01 have UPnP reachable from untrusted or broad network segments. Internet exposure is not established by the bundle.
Exploitation context
The CVE is not marked KEV, and the provided sources do not show active exploitation. A public GitHub reference exists, but the bundle only supports a denial-of-service impact from crafted packet handling.
Researcher notes
Evidence is limited to CVE metadata and a public GitHub reference. The affected-product fields are incomplete, so validation should anchor on the description: Tenda AC8 Hardware v03.03.10.01 UPnP service. Do not assume code execution, confidentiality impact, or broader Tenda model coverage without additional sources.
Mitigation direction
- Inventory Tenda AC8 devices and record firmware versions.
- Check Tenda guidance for firmware updates or official mitigations.
- Disable UPnP where it is not operationally required.
- Restrict UPnP reachability to trusted internal networks only.
- Segment or replace affected devices if no vendor fix is available.
Validation and detection
- Confirm whether any Tenda AC8 devices run v03.03.10.01.
- Verify whether UPnP is enabled on those devices.
- Review firewall rules for UPnP exposure from untrusted networks.
- Monitor affected devices for unexpected restarts or service failures.
- Track the CVE and vendor advisories for updated 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-2025-61498 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
- High
- CVSS
- 7.5 (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:H
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:H3.93.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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/sakshi-garg02/CVEs/tree/main/CVE-2025-61498CVE 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.