Security readout for executives and security teams
Plain-English summary
CVE-2026-24804 is a critical availability bug in coolsnowwolf/lede. The reported flaw can trap affected Wi-Fi driver code in an infinite loop, potentially causing service disruption. The CVE rates it as network-accessible, low-complexity, and unauthenticated. A patch reference exists, but the source bundle does not show active exploitation.
Executive priority
Treat this as urgent for any organization using affected lede-based firmware with the mt7603e driver. The primary business risk is device or network service outage, not data theft. Patch validation should be prioritized, especially where devices support important connectivity.
Technical view
The issue is CWE-835, Loop with Unreachable Exit Condition, in package/lean/mt/drivers/mt7603e/src/mt7603_wifi/common modules, associated with bn_lib.C. It affects coolsnowwolf/lede through r25.10.1. CVSS v4.0 is 9.2, with AV:N/AC:L/PR:N/UI:N and high vulnerable-system and subsequent-system availability impact.
Likely exposure
Exposure is most likely in deployments built from coolsnowwolf/lede through r25.10.1 that include the mt7603e Wi-Fi driver code path. The sources do not identify specific device models, distributions, or downstream firmware images.
Exploitation context
The CVSS vector indicates network reachability, low attack complexity, no privileges, and no user interaction. However, the provided sources do not include exploit details, proof-of-concept code, or confirmation of active exploitation. KEV status is false in the source bundle.
Researcher notes
The public record is sparse: CVE metadata, CVSS, affected range, file/module path, and a GitHub pull request. No device list, detailed trigger conditions, release note, or exploitation evidence is included. Avoid assuming downstream exposure without firmware or source confirmation.
Mitigation direction
- Identify builds using coolsnowwolf/lede through r25.10.1.
- Check whether mt7603e Wi-Fi driver modules are included.
- Review GitHub PR #13368 and vendor guidance.
- Apply the referenced patch or vendor-approved updated build.
- Prioritize exposed network-facing or Wi-Fi-dependent deployments.
Validation and detection
- Inventory firmware source versions and build manifests.
- Search builds for the mt7603e driver path named in the CVE.
- Confirm whether bn_lib.C contains the patched logic.
- Verify PR #13368 or equivalent fix is present.
- Monitor affected devices for unexpected hangs or availability loss.
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-835: 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-2026-24804 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
- Critical
- CVSS
- 9.2 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/S:N/AU:Y/R:U/V:C/RE:L/U:Amber
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.
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/S:N/AU:Y/R:U/V:C/RE:L/U:Amber——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
9.2CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/S:N/AU:Y/R:U/V:C/RE:L/U:Amber
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/coolsnowwolf/lede/pull/13368CVE reference · patch
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.
Loop with Unreachable Exit Condition ('Infinite Loop')
Loop with Unreachable Exit Condition ('Infinite Loop') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.