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TI-2020-13173 Aliases CVE-2020-17407GHSA-hpgj-wfpp-wx53

Stack-based buffer overflow in Microhard Bullet-LTE

Priority MEDIUM 52CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microhard Bullet-LTE prior to v1.2.0-r1112. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of authentication headers. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-10596.

Why it matters now

EPSS 0.06812 94th percentileScored 2026-11-07
Fix Fixed Bullet-LTE (Microhard): v1.2.0-r1112

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrohardBullet-LTEbefore v1.2.0-r1112v1.2.0-r1112Patch availableCNA
  • Bullet-LTE VendorMicrohard Affected before v1.2.0-r1112 Fixed in v1.2.0-r1112 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:microhardcorp:bullet-lte_firmware:*:*:*:*:*:*:*:*before 1.2.0-r1112VulnerableMicrohard
cpe:2.3:h:microhardcorp:bullet-lte:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrohard
  • cpe:2.3:o:microhardcorp:bullet-lte_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0-r1112 Vulnerable ·Microhard
  • cpe:2.3:h:microhardcorp:bullet-lte:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microhard

Remediation

  • Fix · CNA Bullet-LTE (Microhard) Fixed in v1.2.0-r1112

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-17407
  2. 2026-10-03 Alias added: GHSA-hpgj-wfpp-wx53

References

Advisory 1

  • TI-2018-15373 Microhard Systems IPn4G 1.1.0 Default Credentials Authentication Bypass CVSS 4.0CRITICAL 9.3
  • TI-2018-15369 Microhard Systems IPn4G 1.1.0 Backdoor Jailbreak via Microhard Sh Service CVSS 4.0HIGH 8.7
  • TI-2018-15374 Microhard Systems IPn4G 1.1.0 Remote Code Execution via Admin Interface CVSS 4.0HIGH 8.7
  • TI-2018-15370 Microhard Systems IPn4G 1.1.0 Arbitrary File Access via Undocumented System Editor CVSS 4.0HIGH 8.7
  • TI-2018-15372 Microhard Systems IPn4G 1.1.0 Service Control Denial of Service CVSS 4.0HIGH 7.1
  • TI-2018-15371 Microhard Systems IPn4G 1.1.0 Configuration Disclosure via Authenticated Download CVSS 4.0HIGH 7.1
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences