Tenda CP3 apollo sub_F3C8C command injection

published 2025-06-06 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-17119

cvss: 4.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 5.1%; EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits: 0; none known

A vulnerability has been found in Tenda CP3 11.10.00.2311090948 and classified as critical. Affected by this vulnerability is the function sub_F3C8C of the file apollo. The manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 17 mo ago (2025-06-09)

Exploit prediction

5.08% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/k3vg3n/researches/blob/main/RCE_in_Tenda_CP3_camera.md referenced PoC, tagged "exploit" by a source, unverified
blog.kevgen.ru https://blog.kevgen.ru/posts/rce_in_tenda_cp3_camera referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	4.7	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	5.8	AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	2.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	5.8	AV:N/AC:L/Au:M/C:P/I:P/A:P

Affected products

Tenda CP3

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

github.com /k3vg3n/researches/blob/main/RCE_in_Tenda_CP3_camera.md
exploit, third-party-advisory
blog.kevgen.ru /posts/rce_in_tenda_cp3_camera
related, exploit, third-party-advisory
vuldb.com /?id.311305
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.311305
signature, permissions-required
vuldb.com /?submit.590784
third-party-advisory, vdb-entry
tenda.com.cn /
product

Sources

CVE List CVE-2025-5763
NVD CVE-2025-5763

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.

Summary