CVE-2021-26730 json
spx_restservice Login_handler_func Subfunction Stack-Based Buffer Overflow
published 2022-10-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13517
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
A stack-based buffer overflow vulnerability in a subfunction of the Login_handler_func function of spx_restservice allows an attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Lanner Inc IAC-AST2500A
Classification
References
-
nozominetworks.com
/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/
third-party-advisory
-
nozominetworks.com
/labs/vulnerability-advisories/cve-2021-26730/
third-party-advisory
Sources
- CVE List CVE-2021-26730
- NVD CVE-2021-26730
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