Security readout for executives and security teams
Plain-English summary
This CVE describes a stack overflow in Quectel EC25-EUX firmware EC25EUXGAR08A05M1G. The public record rates it medium severity and suggests an attacker needs local access and high privileges. Business urgency is mainly for organizations that embed or operate this modem firmware in managed devices.
Executive priority
Treat this as a targeted asset-management issue, not a broad emergency. Prioritize identifying embedded Quectel EC25-EUX deployments and applying vendor guidance when available, especially where devices are physically accessible or administered by multiple parties.
Technical view
CVE-2024-37816 is listed as CWE-120 stack-based buffer overflow affecting Quectel EC25-EUX EC25EUXGAR08A05M1G. CVSS 3.1 is 4.2 with AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L, indicating local, high-privilege exploitation with limited confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely in products, gateways, IoT devices, or embedded systems using the named Quectel EC25-EUX firmware. The source bundle does not identify broader affected versions, CPEs, operating systems, or downstream OEM products.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. The CVSS vector requires local access and high privileges, which lowers broad internet-scale risk but still matters for physically exposed or shared-administration environments.
Researcher notes
The public record is sparse: it names a stack overflow and CWE-120 but does not provide the vulnerable component, trigger condition, proof of concept, affected version range, or fix status. Avoid assuming exploitability beyond the CVSS vector and cited record.
Mitigation direction
- Inventory devices using Quectel EC25-EUX EC25EUXGAR08A05M1G firmware.
- Check Quectel security guidance for confirmed affected versions and available updates.
- Restrict local administrative access to affected devices and modem management interfaces.
- Prioritize remediation for field devices, shared sites, and physically accessible systems.
- Track downstream OEM advisories for products embedding this Quectel module.
Validation and detection
- Confirm whether any managed assets use the named EC25-EUX firmware build.
- Review vendor or OEM advisories for patches, mitigations, or corrected firmware.
- Verify local privilege controls around device administration paths.
- Document compensating controls where firmware updates are unavailable.
- Monitor CVE Program updates for expanded affected product data.
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-120: 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-2024-37816 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
- 4.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/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:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L0.83.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
4.2MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/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/quectel-official/Quectel-SecurityCVE 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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.