How severe is CVE-2023-35193?

CVE-2023-35193 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-2023-35193 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-35193?

CVE-2023-35193 affects Peplink Surf Soho Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-35193?

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-2023-35193 published?

CVE-2023-35193 was published on 2023-10-11 and last updated on 2026-06-17.

CVE-2023-35193

CVE-2023-35193 is a high-severity vulnerability in Peplink Surf Soho 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Peplink Surf Soho Firmware
Published: 2023-10-11
Last modified: 2026-06-17

Description

An OS command injection vulnerability exists in the api.cgi cmd.mvpn.x509.write functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.This vulnerability is specifically for the `system` call in the file `/web/MANGA/cgi-bin/api.cgi` for firmware version 6.3.5 at offset 0x4bddb8.

Frequently asked questions

What is CVE-2023-35193?: An OS command injection vulnerability exists in the api.cgi cmd.mvpn.x509.write functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.This vulnerability is specifically for the `system` call in the file `/web/MANGA/cgi-bin/api.cgi` for firmware version 6.3.5 at offset 0x4bddb8.
How severe is CVE-2023-35193?: CVE-2023-35193 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-2023-35193 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-35193?: CVE-2023-35193 affects Peplink Surf Soho Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-35193?: 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-2023-35193 published?: CVE-2023-35193 was published on 2023-10-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:peplink:surf_soho_firmware:6.3.5:*:*:*:*:*:*:*

More vulnerabilities in Peplink Surf Soho Firmware

CVE-2020-24246 — High (CVSS 7.5): Peplink Balance before 8.1.0rc1 allows an unauthenticated attacker to download PHP configuration files…
CVE-2023-35194 — High (CVSS 7.2): An OS command injection vulnerability exists in the api.cgi cmd.mvpn.x509.write functionality of peplink Surf SOHO HW1…
CVE-2023-34356 — High (CVSS 7.2): An OS command injection vulnerability exists in the data.cgi xfer_dns functionality of peplink Surf SOHO HW1 v6.3.5 (in…
CVE-2023-28381 — High (CVSS 7.2): An OS command injection vulnerability exists in the admin.cgi MVPN_trial_init functionality of peplink Surf SOHO HW1…
CVE-2023-27380 — High (CVSS 7.2): An OS command injection vulnerability exists in the admin.cgi USSD_send functionality of peplink Surf SOHO HW1 v6.3.5…
CVE-2023-34354 — Low (CVSS 3.4): A stored cross-site scripting (XSS) vulnerability exists in the upload_brand.cgi functionality of peplink Surf SOHO HW1…

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