Improper input leads to DoS
Priority MEDIUM 40CWE-617Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-617.
Summary
The ACEManager component of ALEOS 4.16 and earlier does not perform input sanitization during authentication, which could potentially result in a Denial of Service (DoS) condition for ACEManager without impairing other router functions. ACEManager recovers from the DoS condition by restarting within ten seconds of becoming unavailable.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00878 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SierraWireless | ALEOS | 4.10 – 4.16; up to 4.9.8 | — | No fix listed | CNA |
- ALEOS VendorSierraWireless Affected 4.10 – 4.16; up to 4.9.8 Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:* | up to 4.16.0 | Vulnerable | SierraWireless |
| cpe:2.3:h:sierrawireless:es450:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:gx450:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:lx40:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:lx60:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:mp70:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:rv50x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:h:sierrawireless:rv55:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:* Versions up to 4.16.0 Vulnerable ·SierraWireless
- cpe:2.3:h:sierrawireless:es450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:gx450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:lx40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:lx60:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:mp70:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:rv50x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:h:sierrawireless:rv55:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-40462
- 2026-10-03 Alias added: GHSA-2fh4-45ph-7q27
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-2023-40462 · CVE Program
- CVE-2023-40462 · NVD
- FIRST EPSS
- GHSA-2fh4-45ph-7q27 · 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