CVE-2022-20753
CVE-2022-20753 is a medium-severity vulnerability in Cisco Rv340 Firmware with a CVSS 3.x base score of 4.7. 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-787.
Key facts
- Severity: Medium (CVSS 3.x base score 4.7)
- CVSS v2: 9.0
- EPSS exploit prediction: 2% (79th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Cisco Rv340 Firmware
- Published:
- Last modified:
Description
A vulnerability in web-based management interface of Cisco Small Business RV340 and RV345 Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious input to an affected device. A successful exploit could allow the attacker to execute remote code on the affected device. To exploit this vulnerability, an attacker would need to have valid Administrator credentials on the affected device.
Frequently asked questions
- What is CVE-2022-20753?
- A vulnerability in web-based management interface of Cisco Small Business RV340 and RV345 Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious input to an affected device. A successful exploit could allow the attacker to execute remote code on the affected device. To exploit this vulnerability, an attacker would need to have valid Administrator credentials on the affected device.
- How severe is CVE-2022-20753?
- CVE-2022-20753 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2022-20753 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-20753?
- CVE-2022-20753 primarily affects Cisco Rv340 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-20753?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-20753 published?
- CVE-2022-20753 was published on 2022-05-04 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:o:cisco:rv340_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:rv340w_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:rv345_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:rv345p_firmware:*:*:*:*:*:*:*:*
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