What is CVE-2023-33556?

CVE-2023-33556 is a critical-severity vulnerability in Totolink A7100ru, classified under Command Injection. CVSS score: 9.8/10. Published 2023-06-07.

How severe is CVE-2023-33556?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-33556 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Totolink A7100ru

CVE-2023-33556

TOTOLink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the staticGw parameter at /setting/setWanIeCfg.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.020 (77.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink A7100ru
Totolink A7100ru_firmware — versions 7.4cu.2313_b20191024
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

Public proof-of-concept exploits

attilaszia/linux-iot-cves

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33556?: CVE-2023-33556 is a critical-severity vulnerability in Totolink A7100ru, classified under Command Injection. CVSS score: 9.8/10. Published 2023-06-07.
How severe is CVE-2023-33556?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-33556 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.