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Fencer Vulns
medium 6.5

CVE-2024-20416 json

A vulnerability in the upload module of Cisco RV340 and RV345 Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to…

published 2024-07-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-18131

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

A vulnerability in the upload module of Cisco RV340 and RV345 Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient boundary checks when processing specific HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system of the device.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Affected products

  • Cisco Cisco Small Business RV Series Router Firmware
  • cisco rv340_dual_wan_gigabit_vpn_router_firmware
  • cisco rv345_dual_wan_gigabit_vpn_router_firmware
  • cisco rv345p_dual_wan_gigabit_poe_vpn_router_firmware
  • cisco rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware

Classification

Weakness
  • CWE-130 Improper Handling of Length Parameter Inconsistency

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.