Microhard Bullet-LTE and IPn4Gii AT+MFMAC Argument Injection
Products that incorporate the Microhard BulletLTE-NA2 and IPn4Gii-NA2 are vulnerable to a post-authentication command injection issue in the AT+MFMAC 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.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; 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- Published
- Jun 8, 2025
- Updated
- Jun 17, 2026
- EPSS
- 1.0% · 61th percentile
- CWE
- CWE-88
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Report tools
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
| Vendor | Product | CPE |
|---|---|---|
| microhardcorp | ipn4gii-na2 firmware | cpe:2.3:o:microhardcorp:ipn4gii-na2_firmware |
| microhardcorp | ipn4gii-na2 | cpe:2.3:h:microhardcorp:ipn4gii-na2 |
| microhardcorp | bulletlte-na2 firmware | cpe:2.3:o:microhardcorp:bulletlte-na2_firmware |
| microhardcorp | bulletlte-na2 | cpe:2.3:h:microhardcorp:bulletlte-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 recordsOther highest-scoring records for the same primary product.
- CVE-2025-35010Microhard Bullet-LTE and IPn4Gii AT+MNPINGTM Argument Injection28Monitor
- CVE-2025-35009Microhard Bullet-LTE and IPn4Gii AT+MNNETSP Argument Injection28Monitor
- CVE-2025-35008Microhard Bullet-LTE and IPn4Gii AT+MMNAME Argument Injection28Monitor
- CVE-2025-35007Microhard Bullet-LTE and IPn4Gii AT+MFRULE Argument Injection28Monitor
- CVE-2025-35006Microhard Bullet-LTE and IPn4Gii AT+MFPORTFWD Argument Injection28Monitor
- CVE-2025-35004Microhard Bullet-LTE and IPn4Gii AT+MFIP Argument Injection28Monitor
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.
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 researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- Ricky "HeadlessZeke" LawshaeKeysightfinder
- todbAHA!coordinator
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 Injection28Monitor
- CVE-2025-350060 days apartMicrohard Bullet-LTE and IPn4Gii AT+MFPORTFWD Argument Injection28Monitor
- CVE-2025-350070 days apartMicrohard Bullet-LTE and IPn4Gii AT+MFRULE Argument Injection28Monitor
- CVE-2025-350080 days apartMicrohard Bullet-LTE and IPn4Gii AT+MMNAME Argument Injection28Monitor
- CVE-2025-350090 days apartMicrohard Bullet-LTE and IPn4Gii AT+MNNETSP Argument Injection28Monitor
- CVE-2025-350100 days apartMicrohard Bullet-LTE and IPn4Gii AT+MNPINGTM Argument Injection28Monitor
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.
Attack patterns (CAPEC)
- Parameter InjectionCAPEC-137likelihood: Medium · Medium
- Flash Parameter InjectionCAPEC-174likelihood: High · Medium
- Using Meta-characters in E-mail Headers to Inject Malicious PayloadsCAPEC-41likelihood: High · High
- HTTP Parameter Pollution (HPP)CAPEC-460Medium
- OS Command InjectionCAPEC-88likelihood: High · High
ATT&CK techniques
—
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- support.microhardcorp.com/portal/en/kb/articles/ipn4gii-bullet-lte-firmware
- www.microhardcorp.com/BulletLTE-NA2.php
- www.microhardcorp.com/IPn4Gii-NA2.php
Vendor advisories and official records. Exploit/PoC links are deliberately left out.