ALEOS AT API Stack Overflow
Priority LOW 30CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A stack overflow vulnerabiltity exists in the AT command APIs of ALEOS before 4.11.0. The vulnerability may allow code execution.
Why it matters now
EPSS 0.00436 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:* | before 4.11.0 | Vulnerable | SierraWireless |
| cpe:2.3:h:sierrawireless:airlink_lx40:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:airlink_lx60:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:airlink_mp70:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:airlink_mp70e:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:airlink_rv50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:airlink_rv50x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
- cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:* Versions before 4.11.0 Vulnerable ·SierraWireless
- cpe:2.3:h:sierrawireless:airlink_lx40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:airlink_lx60:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:airlink_mp70:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:airlink_mp70e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:airlink_rv50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:airlink_rv50x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11849
- 2026-10-03 Alias added: GHSA-pj6q-rg44-52vw
References
More SierraWireless Aleos vulnerabilities
- TI-2018-03029 Unrestricted file upload in Sierra Wireless KEVCVSS 3.1HIGH 8.8
- TI-2022-23056 OS command injection in ALEOS CVSS 3.1HIGH 8.8
- TI-2022-23057 Information disclosure in ALEOS CVSS 3.1MEDIUM 4.9
- TI-2019-08887 The ACENet service in Sierra Wireless ALEOS before 4.4.9, 4.5.x through 4.9.x before… CVSS 3.1CRITICAL 9.8
- TI-2018-07273 A vulnerability in Sierra Wireless AirLink GX400, GX440, ES440, and LS300 routers with… CVSS 3.0CRITICAL 9.8
- TI-2015-02557 Sierra Wireless ALEOS before 4.4.2 on AirLink ES, GX, and LS devices has hardcoded root… CVSS 2.0HIGH 10.0
Sources
- CVE-2019-11849 · CVE Program
- CVE-2019-11849 · NVD
- FIRST EPSS
- GHSA-pj6q-rg44-52vw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences