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CVE-2025-35007· NVD / CVE Program· CNA AHA

Microhard Bullet-LTE and IPn4Gii AT+MFRULE Argument Injection

Products that incorporate the Microhard BulletLTE-NA2 and IPn4Gii-NA2 are vulnerable to a post-authentication command injection issue in the AT+MFRULE command that can lead to privilege escalation. This is an instance of CWE-88, "Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')," and is estimated as a CVSS 7.1 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). This issue has not been generally fixed at the time of this CVE record's first publishing.

HighCVSS 7.1 · v3.1—No exploit No fix recorded
Published
Jun 8, 2025
Updated
Jun 17, 2026
EPSS
1.0% · 61th percentile
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Report tools

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Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.0%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · AHA
7.1
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
microhardcorpipn4gii-na2 firmware
microhardcorpipn4gii-na2
microhardcorpbulletlte-na2 firmware
microhardcorpbulletlte-na2

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • microhardcorp bulletlte-na2 firmwareup to 1.2.0-r1132 inclusive
  • microhardcorp ipn4gii-na2 firmwareup to 1.2.0-r1132 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (AHA). Independent of NVD's CPE analysis and usually ahead of it.

  • Microhard IPn4Gii / Bullet-LTE Firmware

    • up to and including v1.2.0-r1132affected

Same product

microhardcorp: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-35010Microhard Bullet-LTE and IPn4Gii AT+MNPINGTM Argument Injection
    28Monitor
  • CVE-2025-35009Microhard Bullet-LTE and IPn4Gii AT+MNNETSP Argument Injection
    28Monitor
  • CVE-2025-35008Microhard Bullet-LTE and IPn4Gii AT+MMNAME Argument Injection
    28Monitor
  • CVE-2025-35006Microhard Bullet-LTE and IPn4Gii AT+MFPORTFWD Argument Injection
    28Monitor
  • CVE-2025-35005Microhard Bullet-LTE and IPn4Gii AT+MFMAC Argument Injection
    28Monitor
  • CVE-2025-35004Microhard Bullet-LTE and IPn4Gii AT+MFIP Argument Injection
    28Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-350040 days apartMicrohard Bullet-LTE and IPn4Gii AT+MFIP Argument Injection
    28Monitor
  • CVE-2025-350050 days apartMicrohard Bullet-LTE and IPn4Gii AT+MFMAC Argument Injection
    28Monitor
  • CVE-2025-350060 days apartMicrohard Bullet-LTE and IPn4Gii AT+MFPORTFWD Argument Injection
    28Monitor
  • CVE-2025-350080 days apartMicrohard Bullet-LTE and IPn4Gii AT+MMNAME Argument Injection
    28Monitor
  • CVE-2025-350090 days apartMicrohard Bullet-LTE and IPn4Gii AT+MNNETSP Argument Injection
    28Monitor
  • CVE-2025-350100 days apartMicrohard Bullet-LTE and IPn4Gii AT+MNPINGTM Argument Injection
    28Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-88 · Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records