CVE-2023-31741
CVE-2023-31741 is a high-severity vulnerability in Linksys E2000 Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Linksys E2000 Firmware
- Published:
- Last modified:
Description
There is a command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06. If an attacker gains web management privileges, they can inject commands into the post request parameters wl_ssid, wl_ant, wl_rate, WL_atten_ctl, ttcp_num, ttcp_size in the httpd s Start_EPI() function, thereby gaining shell privileges.
Frequently asked questions
- What is CVE-2023-31741?
- There is a command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06. If an attacker gains web management privileges, they can inject commands into the post request parameters wl_ssid, wl_ant, wl_rate, WL_atten_ctl, ttcp_num, ttcp_size in the httpd s Start_EPI() function, thereby gaining shell privileges.
- How severe is CVE-2023-31741?
- CVE-2023-31741 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-31741 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-31741?
- CVE-2023-31741 affects Linksys E2000 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-31741?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-31741 published?
- CVE-2023-31741 was published on 2023-05-23 and last updated on 2026-07-05.
References
- https://github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31741/Linksys_E2000_RCE_2.pdf
- http://linksys.com
Affected products (1)
- cpe:2.3:o:linksys:e2000_firmware:1.0.06:*:*:*:*:*:*:*
More vulnerabilities in Linksys E2000 Firmware
- CVE-2024-27497 — High (CVSS 8.8): Linksys E2000 Ver.1.0.06 build 1 is vulnerable to authentication bypass via the position.js file.
- CVE-2023-31740 — High (CVSS 7.2): There is a command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06. If an attacker…
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